<<< native
[ EStyled
    TextBoldScript
    [ EArray
        [ AlignLeft ]
        [ [ [ EText TextNormal "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ] ]
        , [ [ EText TextNormal "abcdefghijklmnopqrstuvwxyz" ] ]
        ]
    ]
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:m>
      <m:mPr>
        <m:baseJc m:val="center" />
        <m:plcHide m:val="1" />
        <m:mcs>
          <m:mc>
            <m:mcPr>
              <m:mcJc m:val="left" />
              <m:count m:val="1" />
            </m:mcPr>
          </m:mc>
        </m:mcs>
      </m:mPr>
      <m:mr>
        <m:e>
          <m:r>
            <m:rPr>
              <m:nor />
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>ABCDEFGHIJKLMNOPQRSTUVWXYZ</m:t>
          </m:r>
        </m:e>
      </m:mr>
      <m:mr>
        <m:e>
          <m:r>
            <m:rPr>
              <m:nor />
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>abcdefghijklmnopqrstuvwxyz</m:t>
          </m:r>
        </m:e>
      </m:mr>
    </m:m>
  </m:oMath>
</m:oMathPara>