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
125Please respect copyright.PENANAn15IbCqiTT
Arbella125Please respect copyright.PENANAg5GhpwCDXl
Filiny125Please respect copyright.PENANAcK1VyFFDYi
Gatyk125Please respect copyright.PENANACeC9iO1Vwt