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
223Please respect copyright.PENANAH192wAUbtV
Arbella223Please respect copyright.PENANAHn8AqgfJKn
Filiny223Please respect copyright.PENANA2h2QcHh5G9
Gatyk223Please respect copyright.PENANATlhlXhwuds