$$\begin{array}{cc}\hfill \mathrm{\text{par}}\hfill & \hfill \parallel \hfill \\ \hfill \mathrm{\text{para}}\hfill & \hfill \P \hfill \\ \hfill \mathrm{\text{parallel}}\hfill & \hfill \parallel \hfill \\ \hfill \mathrm{\text{parsim}}\hfill & \hfill ⫳\hfill \\ \hfill \mathrm{\text{parsl}}\hfill & \hfill ⫽\hfill \\ \hfill \mathrm{\text{part}}\hfill & \hfill \partial \hfill \\ \hfill \mathrm{\text{PartialD}}\hfill & \hfill \partial \hfill \\ \hfill \mathrm{\text{pcy}}\hfill & \hfill п\hfill \\ \hfill \mathrm{\text{Pcy}}\hfill & \hfill П\hfill \\ \hfill \mathrm{\text{percnt}}\hfill & \hfill \%\hfill \\ \hfill \mathrm{\text{period}}\hfill & \hfill .\hfill \\ \hfill \mathrm{\text{permil}}\hfill & \hfill ‰\hfill \\ \hfill \mathrm{\text{perp}}\hfill & \hfill \perp \hfill \\ \hfill \mathrm{\text{pertenk}}\hfill & \hfill ‱\hfill \\ \hfill \mathrm{\text{pfr}}\hfill & \hfill 𝔭\hfill \\ \hfill \mathrm{\text{Pfr}}\hfill & \hfill 𝔓\hfill \\ \hfill \mathrm{\text{phi}}\hfill & \hfill \phi \hfill \\ \hfill \mathrm{\text{Phi}}\hfill & \hfill \Phi \hfill \\ \hfill \mathrm{\text{phiv}}\hfill & \hfill \varphi \hfill \\ \hfill \mathrm{\text{phmmat}}\hfill & \hfill ℳ\hfill \\ \hfill \mathrm{\text{phone}}\hfill & \hfill ☎\hfill \\ \hfill \mathrm{\text{pi}}\hfill & \hfill \pi \hfill \\ \hfill \mathrm{\text{Pi}}\hfill & \hfill \Pi \hfill \\ \hfill \mathrm{\text{pitchfork}}\hfill & \hfill ⋔\hfill \\ \hfill \mathrm{\text{piv}}\hfill & \hfill \varpi \hfill \\ \hfill \mathrm{\text{planck}}\hfill & \hfill \hslash \hfill \\ \hfill \mathrm{\text{planckh}}\hfill & \hfill ℎ\hfill \\ \hfill \mathrm{\text{plankv}}\hfill & \hfill \hslash \hfill \\ \hfill \mathrm{\text{plus}}\hfill & \hfill +\hfill \\ \hfill \mathrm{\text{plusacir}}\hfill & \hfill ⨣\hfill \\ \hfill \mathrm{\text{plusb}}\hfill & \hfill ⊞\hfill \\ \hfill \mathrm{\text{pluscir}}\hfill & \hfill ⨢\hfill \\ \hfill \mathrm{\text{plusdo}}\hfill & \hfill \dotplus \hfill \\ \hfill \mathrm{\text{plusdu}}\hfill & \hfill ⨥\hfill \\ \hfill \mathrm{\text{pluse}}\hfill & \hfill ⩲\hfill \\ \hfill \mathrm{\text{PlusMinus}}\hfill & \hfill \pm \hfill \\ \hfill \mathrm{\text{plusmn}}\hfill & \hfill \pm \hfill \\ \hfill \mathrm{\text{plussim}}\hfill & \hfill ⨦\hfill \\ \hfill \mathrm{\text{plustwo}}\hfill & \hfill ⨧\hfill \\ \hfill \mathrm{\text{pm}}\hfill & \hfill \pm \hfill \\ \hfill \mathrm{\text{Poincareplane}}\hfill & \hfill ℌ\hfill \\ \hfill \mathrm{\text{pointint}}\hfill & \hfill ⨕\hfill \\ \hfill \mathrm{\text{popf}}\hfill & \hfill 𝕡\hfill \\ \hfill \mathrm{\text{Popf}}\hfill & \hfill \mathbb{P}\hfill \\ \hfill \mathrm{\text{pound}}\hfill & \hfill \pounds \hfill \\ \hfill \mathrm{\text{pr}}\hfill & \hfill \prec \hfill \\ \hfill \mathrm{\text{Pr}}\hfill & \hfill ⪻\hfill \\ \hfill \mathrm{\text{prap}}\hfill & \hfill ⪷\hfill \\ \hfill \mathrm{\text{prcue}}\hfill & \hfill \preccurlyeq \hfill \\ \hfill \mathrm{\text{pre}}\hfill & \hfill ⪯\hfill \\ \hfill \mathrm{\text{prE}}\hfill & \hfill ⪳\hfill \\ \hfill \mathrm{\text{prec}}\hfill & \hfill \prec \hfill \\ \hfill \mathrm{\text{precapprox}}\hfill & \hfill ⪷\hfill \\ \hfill \mathrm{\text{preccurlyeq}}\hfill & \hfill \preccurlyeq \hfill \\ \hfill \mathrm{\text{Precedes}}\hfill & \hfill \prec \hfill \\ \hfill \mathrm{\text{PrecedesEqual}}\hfill & \hfill ⪯\hfill \\ \hfill \mathrm{\text{PrecedesSlantEqual}}\hfill & \hfill \preccurlyeq \hfill \\ \hfill \mathrm{\text{PrecedesTilde}}\hfill & \hfill \precsim \hfill \\ \hfill \mathrm{\text{preceq}}\hfill & \hfill ⪯\hfill \\ \hfill \mathrm{\text{precnapprox}}\hfill & \hfill ⪹\hfill \\ \hfill \mathrm{\text{precneqq}}\hfill & \hfill ⪵\hfill \\ \hfill \mathrm{\text{precnsim}}\hfill & \hfill ⋨\hfill \\ \hfill \mathrm{\text{precsim}}\hfill & \hfill \precsim \hfill \\ \hfill \mathrm{\text{prime}}\hfill & \hfill \prime \hfill \\ \hfill \mathrm{\text{Prime}}\hfill & \hfill ″\hfill \\ \hfill \mathrm{\text{primes}}\hfill & \hfill \mathbb{P}\hfill \\ \hfill \mathrm{\text{prnap}}\hfill & \hfill ⪹\hfill \\ \hfill \mathrm{\text{prnE}}\hfill & \hfill ⪵\hfill \\ \hfill \mathrm{\text{prnsim}}\hfill & \hfill ⋨\hfill \\ \hfill \mathrm{\text{prod}}\hfill & \hfill \prod \hfill \\ \hfill \mathrm{\text{Product}}\hfill & \hfill \prod \hfill \\ \hfill \mathrm{\text{profalar}}\hfill & \hfill ⌮\hfill \\ \hfill \mathrm{\text{profline}}\hfill & \hfill ⌒\hfill \\ \hfill \mathrm{\text{profsurf}}\hfill & \hfill ⌓\hfill \\ \hfill \mathrm{\text{prop}}\hfill & \hfill \propto \hfill \\ \hfill \mathrm{\text{Proportion}}\hfill & \hfill \colon\colon \hfill \\ \hfill \mathrm{\text{Proportional}}\hfill & \hfill \propto \hfill \\ \hfill \mathrm{\text{propto}}\hfill & \hfill \propto \hfill \\ \hfill \mathrm{\text{prsim}}\hfill & \hfill \precsim \hfill \\ \hfill \mathrm{\text{prurel}}\hfill & \hfill ⊰\hfill \\ \hfill \mathrm{\text{pscr}}\hfill & \hfill 𝓅\hfill \\ \hfill \mathrm{\text{Pscr}}\hfill & \hfill 𝒫\hfill \\ \hfill \mathrm{\text{psi}}\hfill & \hfill \psi \hfill \\ \hfill \mathrm{\text{Psi}}\hfill & \hfill \Psi \hfill \\ \hfill \mathrm{\text{puncsp}}\hfill & \hfill \hfill \end{array}$$