Unicode: 2204. Alias: Esc !ex Esc. Compound operator. ∄_xy is by default interpreted as NotExists[x,y].
Unicode: 00F3. Alias: Esc o' Esc. Letter. Included in ISO Latin-1.
\[OHat]
(Mathematica Character Name) Unicode: 00F4. Alias: Esc o^ Esc. Letter. Included in ISO Latin-1.
Unicode: 00F5. Alias: Esc o~ Esc. Letter. Included in ISO Latin-1.
Unicode: 00B6. Letter-like form.
Unicode: 0026. Raw operator. Equivalent to the ordinary ASCII character with code 38.
Unicode: 003A. Raw operator. Equivalent to the ordinary ASCII character with code 58.
Unicode: 002C. Raw operator. Equivalent to the ordinary ASCII character with code 44.
Unicode: 0024. Letter-like form. Equivalent to the ordinary ASCII character with code 36.
Unicode: 0021. Raw operator. Equivalent to the ordinary ASCII character with code 33.