I messed around with a character maker and attempted to make the characters in the Book of Human. It's not completely accurate but I think it conveys the general idea of their appearance.
Armun
212Please respect copyright.PENANAlie8yXX8tZ
Arbella212Please respect copyright.PENANAvvcNybo1K2
Filiny212Please respect copyright.PENANAByGiqceFr1
Gatyk212Please respect copyright.PENANAfNdpdgKfPC