\[CapitalOmicron] (Mathematica Character Name)

Unicode: 039F. Aliases: Esc Om Esc, Esc Omicron Esc. Greek letter. Not the same as English O.

\[CapitalOSlash] (Mathematica Character Name)

Unicode: 00D8. Alias: Esc O/ Esc. Letter. Included in ISO Latin-1. Not the same as \[EmptySet] or \[Diameter].

\[CapitalPhi] (Mathematica Character Name)

Unicode: 03A6. Aliases: Esc Ph Esc, Esc Phi Esc, Esc F Esc. Greek letter. Used in TraditionalForm for LerchPhi.

\[CapitalPsi] (Mathematica Character Name)

Unicode: 03A8. Aliases: Esc Ps Esc, Esc Psi Esc, Esc Y Esc. Greek letter.

\[CapitalRHacek] (Mathematica Character Name)

Unicode: 0158. Alias: Esc Rv Esc. Letter. Included in ISO Latin-2.

\[CapitalRho] (Mathematica Character Name)

Unicode: 03A1. Aliases: Esc R Esc, Esc Rho Esc. Greek letter. Not the same as English P.

\[CapitalSampi] (Mathematica Character Name)

Unicode: 03E0. Aliases: Esc Sa Esc, Esc Sampi Esc. Special Greek letter.

\[CapitalSigma] (Mathematica Character Name)

Unicode: 03A3. Aliases: Esc S Esc, Esc Sigma Esc. Greek letter. Not the same as \[Sum].

\[CapitalStigma] (Mathematica Character Name)

Unicode: 03DA. Aliases: Esc Sti Esc, Stigma Esc. Special Greek letter.

\[CapitalTau] (Mathematica Character Name)

Unicode: 03A4. Aliases: Esc T Esc, Esc Tau Esc. Greek letter. Not the same as English T.