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
160Please respect copyright.PENANA7ZaFLc8abB
Arbella160Please respect copyright.PENANAGt9X8WBHu0
Filiny160Please respect copyright.PENANAPO7YufSOk3
Gatyk160Please respect copyright.PENANAf3qeDSyXS0