$$\begin{array}{cc}\hfill \mathrm{\text{rAarr}}\hfill & \hfill \Rrightarrow \hfill \\ \hfill \mathrm{\text{race}}\hfill & \hfill \mathrm{\backsim ̱}\hfill \\ \hfill \mathrm{\text{racute}}\hfill & \hfill ŕ\hfill \\ \hfill \mathrm{\text{Racute}}\hfill & \hfill Ŕ\hfill \\ \hfill \mathrm{\text{radic}}\hfill & \hfill \surd \hfill \\ \hfill \mathrm{\text{raemptyv}}\hfill & \hfill ⦳\hfill \\ \hfill \mathrm{\text{rang}}\hfill & \hfill ⟩\hfill \\ \hfill \mathrm{\text{Rang}}\hfill & \hfill ⟫\hfill \\ \hfill \mathrm{\text{rangd}}\hfill & \hfill ⦒\hfill \\ \hfill \mathrm{\text{range}}\hfill & \hfill ⦥\hfill \\ \hfill \mathrm{\text{rangle}}\hfill & \hfill ⟩\hfill \\ \hfill \mathrm{\text{raquo}}\hfill & \hfill »\hfill \\ \hfill \mathrm{\text{rarr}}\hfill & \hfill \to \hfill \\ \hfill \mathrm{\text{rArr}}\hfill & \hfill \Rightarrow \hfill \\ \hfill \mathrm{\text{Rarr}}\hfill & \hfill \twoheadrightarrow \hfill \\ \hfill \mathrm{\text{rarrap}}\hfill & \hfill ⥵\hfill \\ \hfill \mathrm{\text{rarrb}}\hfill & \hfill ⇥\hfill \\ \hfill \mathrm{\text{rarrbfs}}\hfill & \hfill ⤠\hfill \\ \hfill \mathrm{\text{rarrc}}\hfill & \hfill ⤳\hfill \\ \hfill \mathrm{\text{rarrfs}}\hfill & \hfill ⤞\hfill \\ \hfill \mathrm{\text{rarrhk}}\hfill & \hfill \hookrightarrow \hfill \\ \hfill \mathrm{\text{rarrlp}}\hfill & \hfill \looparrowright \hfill \\ \hfill \mathrm{\text{rarrpl}}\hfill & \hfill ⥅\hfill \\ \hfill \mathrm{\text{rarrsim}}\hfill & \hfill ⥴\hfill \\ \hfill \mathrm{\text{rarrtl}}\hfill & \hfill \rightarrowtail \hfill \\ \hfill \mathrm{\text{Rarrtl}}\hfill & \hfill ⤖\hfill \\ \hfill \mathrm{\text{rarrw}}\hfill & \hfill \rightsquigarrow \hfill \\ \hfill \mathrm{\text{ratail}}\hfill & \hfill ⤚\hfill \\ \hfill \mathrm{\text{rAtail}}\hfill & \hfill ⤜\hfill \\ \hfill \mathrm{\text{ratio}}\hfill & \hfill :\hfill \\ \hfill \mathrm{\text{rationals}}\hfill & \hfill \mathbb{Q}\hfill \\ \hfill \mathrm{\text{rbarr}}\hfill & \hfill ⤍\hfill \\ \hfill \mathrm{\text{rBarr}}\hfill & \hfill ⤏\hfill \\ \hfill \mathrm{\text{RBarr}}\hfill & \hfill ⤐\hfill \\ \hfill \mathrm{\text{rbbrk}}\hfill & \hfill ❳\hfill \\ \hfill \mathrm{\text{rbrace}}\hfill & \hfill \}\hfill \\ \hfill \mathrm{\text{rbrack}}\hfill & \hfill ]\hfill \\ \hfill \mathrm{\text{rbrke}}\hfill & \hfill ⦌\hfill \\ \hfill \mathrm{\text{rbrksld}}\hfill & \hfill ⦎\hfill \\ \hfill \mathrm{\text{rbrkslu}}\hfill & \hfill ⦐\hfill \\ \hfill \mathrm{\text{rcaron}}\hfill & \hfill ř\hfill \\ \hfill \mathrm{\text{Rcaron}}\hfill & \hfill Ř\hfill \\ \hfill \mathrm{\text{rcedil}}\hfill & \hfill ŗ\hfill \\ \hfill \mathrm{\text{Rcedil}}\hfill & \hfill Ŗ\hfill \\ \hfill \mathrm{\text{rceil}}\hfill & \hfill \rceil \hfill \\ \hfill \mathrm{\text{rcub}}\hfill & \hfill \}\hfill \\ \hfill \mathrm{\text{rcy}}\hfill & \hfill р\hfill \\ \hfill \mathrm{\text{Rcy}}\hfill & \hfill Р\hfill \\ \hfill \mathrm{\text{rdca}}\hfill & \hfill ⤷\hfill \\ \hfill \mathrm{\text{rdldhar}}\hfill & \hfill ⥩\hfill \\ \hfill \mathrm{\text{rdquo}}\hfill & \hfill ”\hfill \\ \hfill \mathrm{\text{rdquor}}\hfill & \hfill ”\hfill \\ \hfill \mathrm{\text{rdsh}}\hfill & \hfill ↳\hfill \\ \hfill \mathrm{\text{Re}}\hfill & \hfill \Re \hfill \\ \hfill \mathrm{\text{real}}\hfill & \hfill \Re \hfill \\ \hfill \mathrm{\text{realine}}\hfill & \hfill ℛ\hfill \\ \hfill \mathrm{\text{realpart}}\hfill & \hfill \Re \hfill \\ \hfill \mathrm{\text{reals}}\hfill & \hfill ℝ\hfill \\ \hfill \mathrm{\text{rect}}\hfill & \hfill ▭\hfill \\ \hfill \mathrm{\text{reg}}\hfill & \hfill \circledR \hfill \\ \hfill \mathrm{\text{ReverseElement}}\hfill & \hfill \ni \hfill \\ \hfill \mathrm{\text{ReverseEquilibrium}}\hfill & \hfill \leftrightharpoons \hfill \\ \hfill \mathrm{\text{ReverseUpEquilibrium}}\hfill & \hfill ⥯\hfill \\ \hfill \mathrm{\text{rfisht}}\hfill & \hfill ⥽\hfill \\ \hfill \mathrm{\text{rfloor}}\hfill & \hfill \rfloor \hfill \\ \hfill \mathrm{\text{rfr}}\hfill & \hfill 𝔯\hfill \\ \hfill \mathrm{\text{Rfr}}\hfill & \hfill \Re \hfill \\ \hfill \mathrm{\text{rHar}}\hfill & \hfill ⥤\hfill \\ \hfill \mathrm{\text{rhard}}\hfill & \hfill \rightharpoondown \hfill \\ \hfill \mathrm{\text{rharu}}\hfill & \hfill \rightharpoonup \hfill \\ \hfill \mathrm{\text{rharul}}\hfill & \hfill ⥬\hfill \\ \hfill \mathrm{\text{rho}}\hfill & \hfill \rho \hfill \\ \hfill \mathrm{\text{rhov}}\hfill & \hfill \varrho \hfill \\ \hfill \mathrm{\text{RightAngleBracket}}\hfill & \hfill ⟩\hfill \\ \hfill \mathrm{\text{rightarrow}}\hfill & \hfill \to \hfill \\ \hfill \mathrm{\text{Rightarrow}}\hfill & \hfill \Rightarrow \hfill \\ \hfill \mathrm{\text{RightArrow}}\hfill & \hfill \to \hfill \\ \hfill \mathrm{\text{RightArrowBar}}\hfill & \hfill ⇥\hfill \\ \hfill \mathrm{\text{RightArrowLeftArrow}}\hfill & \hfill \rightleftarrows \hfill \\ \hfill \mathrm{\text{rightarrowtail}}\hfill & \hfill \rightarrowtail \hfill \\ \hfill \mathrm{\text{RightCeiling}}\hfill & \hfill \rceil \hfill \\ \hfill \mathrm{\text{RightDoubleBracket}}\hfill & \hfill ⟧\hfill \\ \hfill \mathrm{\text{RightDownTeeVector}}\hfill & \hfill ⥝\hfill \\ \hfill \mathrm{\text{RightDownVector}}\hfill & \hfill \downharpoonright \hfill \\ \hfill \mathrm{\text{RightDownVectorBar}}\hfill & \hfill ⥕\hfill \\ \hfill \mathrm{\text{RightFloor}}\hfill & \hfill \rfloor \hfill \\ \hfill \mathrm{\text{rightharpoondown}}\hfill & \hfill \rightharpoondown \hfill \\ \hfill \mathrm{\text{rightharpoonup}}\hfill & \hfill \rightharpoonup \hfill \\ \hfill \mathrm{\text{rightleftarrows}}\hfill & \hfill \rightleftarrows \hfill \\ \hfill \mathrm{\text{rightleftharpoons}}\hfill & \hfill \rightleftharpoons \hfill \\ \hfill \mathrm{\text{rightrightarrows}}\hfill & \hfill \rightrightarrows \hfill \\ \hfill \mathrm{\text{rightsquigarrow}}\hfill & \hfill \rightsquigarrow \hfill \\ \hfill \mathrm{\text{RightTee}}\hfill & \hfill ⊢\hfill \\ \hfill \mathrm{\text{RightTeeArrow}}\hfill & \hfill \mapsto \hfill \\ \hfill \mathrm{\text{RightTeeVector}}\hfill & \hfill ⥛\hfill \\ \hfill \mathrm{\text{rightthreetimes}}\hfill & \hfill ⋌\hfill \\ \hfill \mathrm{\text{RightTriangle}}\hfill & \hfill ⊳\hfill \\ \hfill \mathrm{\text{RightTriangleBar}}\hfill & \hfill ⧐\hfill \\ \hfill \mathrm{\text{RightTriangleEqual}}\hfill & \hfill ⊵\hfill \\ \hfill \mathrm{\text{RightUpDownVector}}\hfill & \hfill ⥏\hfill \\ \hfill \mathrm{\text{RightUpTeeVector}}\hfill & \hfill ⥜\hfill \\ \hfill \mathrm{\text{RightUpVector}}\hfill & \hfill \upharpoonright \hfill \\ \hfill \mathrm{\text{RightUpVectorBar}}\hfill & \hfill ⥔\hfill \\ \hfill \mathrm{\text{RightVector}}\hfill & \hfill \rightharpoonup \hfill \\ \hfill \mathrm{\text{RightVectorBar}}\hfill & \hfill ⥓\hfill \\ \hfill \mathrm{\text{ring}}\hfill & \hfill ˚\hfill \\ \hfill \mathrm{\text{risingdotseq}}\hfill & \hfill \risingdotseq \hfill \\ \hfill \mathrm{\text{rlarr}}\hfill & \hfill \rightleftarrows \hfill \\ \hfill \mathrm{\text{rlhar}}\hfill & \hfill \rightleftharpoons \hfill \\ \hfill \mathrm{\text{rmoust}}\hfill & \hfill ⎱\hfill \\ \hfill \mathrm{\text{rmoustache}}\hfill & \hfill ⎱\hfill \\ \hfill \mathrm{\text{rnmid}}\hfill & \hfill ⫮\hfill \\ \hfill \mathrm{\text{roang}}\hfill & \hfill ⟭\hfill \\ \hfill \mathrm{\text{roarr}}\hfill & \hfill ⇾\hfill \\ \hfill \mathrm{\text{robrk}}\hfill & \hfill ⟧\hfill \\ \hfill \mathrm{\text{ropar}}\hfill & \hfill ⦆\hfill \\ \hfill \mathrm{\text{ropf}}\hfill & \hfill 𝕣\hfill \\ \hfill \mathrm{\text{Ropf}}\hfill & \hfill ℝ\hfill \\ \hfill \mathrm{\text{roplus}}\hfill & \hfill ⨮\hfill \\ \hfill \mathrm{\text{rotimes}}\hfill & \hfill ⨵\hfill \\ \hfill \mathrm{\text{RoundImplies}}\hfill & \hfill ⥰\hfill \\ \hfill \mathrm{\text{rpar}}\hfill & \hfill )\hfill \\ \hfill \mathrm{\text{rpargt}}\hfill & \hfill ⦔\hfill \\ \hfill \mathrm{\text{rppolint}}\hfill & \hfill ⨒\hfill \\ \hfill \mathrm{\text{rrarr}}\hfill & \hfill \rightrightarrows \hfill \\ \hfill \mathrm{\text{Rrightarrow}}\hfill & \hfill \Rrightarrow \hfill \\ \hfill \mathrm{\text{rscr}}\hfill & \hfill 𝓇\hfill \\ \hfill \mathrm{\text{Rscr}}\hfill & \hfill ℛ\hfill \\ \hfill \mathrm{\text{rsh}}\hfill & \hfill \Rsh \hfill \\ \hfill \mathrm{\text{Rsh}}\hfill & \hfill \Rsh \hfill \\ \hfill \mathrm{\text{rsqb}}\hfill & \hfill ]\hfill \\ \hfill \mathrm{\text{rsquo}}\hfill & \hfill ’\hfill \\ \hfill \mathrm{\text{rsquor}}\hfill & \hfill ’\hfill \\ \hfill \mathrm{\text{rthree}}\hfill & \hfill ⋌\hfill \\ \hfill \mathrm{\text{rtimes}}\hfill & \hfill ⋊\hfill \\ \hfill \mathrm{\text{rtri}}\hfill & \hfill ▹\hfill \\ \hfill \mathrm{\text{rtrie}}\hfill & \hfill ⊵\hfill \\ \hfill \mathrm{\text{rtrif}}\hfill & \hfill ▸\hfill \\ \hfill \mathrm{\text{rtriltri}}\hfill & \hfill ⧎\hfill \\ \hfill \mathrm{\text{RuleDelayed}}\hfill & \hfill ⧴\hfill \\ \hfill \mathrm{\text{ruluhar}}\hfill & \hfill ⥨\hfill \\ \hfill \mathrm{\text{rx}}\hfill & \hfill ℞\hfill \end{array}$$