Unicode: F3C7. Alias: Esc tr Esc. Superscript postfix operator with built-in evaluation rules. m^ is by default interpreted as Transpose[m]. Not the same as keyboard T.
Unicode: F758.
Unicode: 00FA. Alias: Esc u' Esc. Letter. Included in ISO Latin-1.
Unicode: 0171. Alias: Esc u'' Esc. Letter. Included in ISO Latin-2. Used in Hungarian.
Unicode: 00FC. Alias: Esc u" Esc. Letter. Included in ISO Latin-1.
Unicode: 00F9. Alias: Esc u` Esc. Letter. Included in ISO Latin-1.
\[UHat]
(Mathematica Character Name) Unicode: 00FB. Alias: Esc u^ Esc. Letter. Included in ISO Latin-1.
Unicode: FE38. Alias: Esc u{ Esc. Letter-like form. Extensible character.
Unicode: 23B5. Alias: Esc u[ Esc. Letter-like form. Extensible character.
Unicode: FE36. Alias: Esc u( Esc. Letter-like form. Extensible character.