I know basically nothing about Native American specific scripts, but if you do and they are not in Unicode (Right now they list Cherokee, Deseret, Osage, and Un

I know basically nothing about Native American specific scripts, but if you do and they are not in Unicode (Right now they list Cherokee, Deseret, Osage, and Unified Canadian Aboriginal Syllabics as their American Scripts) then check out their web site and try to see about having the relevant scripts/alphabet/letters, etc added to the standard.