Unicode: 03A6. Aliases: Esc Ph Esc, Esc Phi Esc, Esc F Esc. Greek letter. Used in TraditionalForm for LerchPhi.
Unicode: 03A8. Aliases: Esc Ps Esc, Esc Psi Esc, Esc Y Esc. Greek letter.
Unicode: 03A3. Aliases: Esc S Esc, Esc Sigma Esc. Greek letter. Not the same as \[Sum].
\[Chi]
(Mathematica Character Name) Unicode: 03C7. Aliases: Esc ch Esc, Esc chi Esc, Esc c Esc. Greek letter.
Unicode: 03B4. Aliases: Esc d Esc, Esc delta Esc. Greek letter.
Unicode: 03BA. Aliases: Esc k Esc, Esc kappa Esc. Greek letter.
Unicode: 03BB. Aliases: Esc l Esc, Esc lambda Esc. Greek letter. Used in TraditionalForm for ModularLambda.
\[Nu]
(Mathematica Character Name) Unicode: 03BD. Aliases: Esc n Esc, Esc nu Esc. Greek letter.
\[Psi]
(Mathematica Character Name) Unicode: 03C8. Aliases: Esc ps Esc, Esc psi Esc, Esc y Esc. Greek letter. Used in TraditionalForm for PolyGamma.
\[Rho]
(Mathematica Character Name) Unicode: 03C1. Aliases: Esc r Esc, Esc rho Esc. Greek letter.