\begin{array}{ll}
\text{par} & \parallel \\
\text{para} & \\
\text{parallel} & \parallel \\
\text{parsim} & \\
\text{parsl} & \\
\text{part} & \partial \\
\text{PartialD} & \partial \\
\text{pcy} & p \\
\text{Pcy} & P \\
\text{percnt} & \% \\
\text{period} & . \\
\text{permil} & \% 0 \\
\text{perp} & \bot \\
\text{pertenk} & \% 00 \\
\text{pfr} & \mathfrak{p} \\
\text{Pfr} & \mathfrak{P} \\
\text{phi} & \varphi \\
\text{Phi} & \Phi \\
\text{phiv} & \phi \\
\text{phmmat} & \mathcal{M} \\
\text{phone} & \\
\text{pi} & \pi \\
\text{Pi} & \Pi \\
\text{pitchfork} & \\
\text{piv} & \varpi \\
\text{planck} & \\
\text{planckh} & \\
\text{plankv} & \\
\text{plus} & + \\
\text{plusacir} & \\
\text{plusb} & \\
\text{pluscir} & \\
\text{plusdo} & \\
\text{plusdu} & \\
\text{pluse} & \\
\text{PlusMinus} & \pm \\
\text{plusmn} & \pm \\
\text{plussim} & \\
\text{plustwo} & \\
\text{pm} & \pm \\
\text{Poincareplane} & \mathfrak{H} \\
\text{pointint} & \\
\text{popf} & \mathbb{p} \\
\text{Popf} & \mathbb{P} \\
\text{pound} & \pounds \\
\text{pr} & \prec \\
\text{Pr} & \\
\text{prap} & \\
\text{prcue} & \\
\text{pre} & \preceq \\
\text{prE} & \\
\text{prec} & \prec \\
\text{precapprox} & \\
\text{preccurlyeq} & \\
\text{Precedes} & \prec \\
\text{PrecedesEqual} & \preceq \\
\text{PrecedesSlantEqual} & \\
\text{PrecedesTilde} & \\
\text{preceq} & \preceq \\
\text{precnapprox} & \\
\text{precneqq} & \\
\text{precnsim} & \\
\text{precsim} & \\
\text{prime} & \prime \\
\text{Prime} & '' \\
\text{primes} & \mathbb{P} \\
\text{prnap} & \\
\text{prnE} & \\
\text{prnsim} & \\
\text{prod} & \prod \\
\text{Product} & \prod \\
\text{profalar} & \\
\text{profline} & \\
\text{profsurf} & \\
\text{prop} & \propto \\
\text{Proportion} & :: \\
\text{Proportional} & \propto \\
\text{propto} & \propto \\
\text{prsim} & \\
\text{prurel} & \\
\text{pscr} & \mathcal{p} \\
\text{Pscr} & \mathcal{P} \\
\text{psi} & \psi \\
\text{Psi} & \Psi \\
\text{puncsp} & \  \\
\end{array}
