This picture I took from the account pannel of womreal.ms:

And this one from the World of Minecraft folder:


All the blue marked Symbols are unknown. The rest is:
(smile)(darksmile)(diamond)(male)(female)(heart)(sun)
(rightarrow)(leftarrow)(uparrow)(downarrow)(right)
(left)(up)(down)(bullet)

Please help me find some more. (Google just told me these^^)