\begin{array}{ll}
\text{oacute} & o \\
\text{Oacute} & O \\
\text{oast} & \circledast \\
\text{ocir} & \circledcirc \\
\text{ocirc} & o \\
\text{Ocirc} & O \\
\text{ocy} & o \\
\text{Ocy} & O \\
\text{odash} & \circleddash \\
\text{odblac} & o \\
\text{Odblac} & O \\
\text{odiv} & \\
\text{odot} & \odot \\
\text{odsold} & \\
\text{oelig} & oe \\
\text{OElig} & OE \\
\text{ofcir} & \\
\text{ofr} & \mathfrak{o} \\
\text{Ofr} & \mathfrak{O} \\
\text{ogon} & , \\
\text{ograve} & o \\
\text{Ograve} & O \\
\text{ogt} & \\
\text{ohbar} & \\
\text{ohm} & \Omega \\
\text{oint} & \oint \\
\text{olarr} & \circlearrowleft \\
\text{olcir} & \\
\text{olcross} & \\
\text{olt} & \\
\text{omacr} & o \\
\text{Omacr} & O \\
\text{omega} & \omega \\
\text{Omega} & \Omega \\
\text{omid} & \\
\text{ominus} & \ominus \\
\text{oopf} & \mathbb{o} \\
\text{Oopf} & \mathbb{O} \\
\text{opar} & \\
\text{OpenCurlyDoubleQuote} & `` \\
\text{OpenCurlyQuote} & ' \\
\text{operp} & \\
\text{oplus} & \oplus \\
\text{or} & \vee \\
\text{Or} & \\
\text{orarr} & \circlearrowright \\
\text{ord} & \\
\text{order} & \mathcal{o} \\
\text{orderof} & \mathcal{o} \\
\text{ordf} & a \\
\text{ordm} & o \\
\text{origof} & \\
\text{oror} & \\
\text{orslope} & \\
\text{orv} & \\
\text{oS} & \\
\text{oscr} & \mathcal{o} \\
\text{Oscr} & \mathcal{O} \\
\text{oslash} & o \\
\text{Oslash} & O \\
\text{osol} & \oslash \\
\text{otilde} & o \\
\text{Otilde} & O \\
\text{otimes} & \otimes \\
\text{Otimes} & \\
\text{otimesas} & \\
\text{ouml} & o \\
\text{Ouml} & O \\
\text{ovbar} & \\
\text{OverBar} & - \\
\text{OverBrace} & \overbrace{} \\
\text{OverBracket} & {} \\
\text{OverParenthesis} & \\
\end{array}
