a-a a-z aaa aah aan aao aaz aha ahh ahn aho ahz an- ana anh ann ano anz aoa aoh aon aoo az- aza azn azo azz haa hah han hao haz hha hhh hhn hho hhz hna hnh hnn hno hnz hoa hoh hon hoo hzo naa nah nan nao naz nha nhh nhn nhz nna nnh nnn nno nnz no- noa noh non noo noz nzo nzz oaa oah oan oao oha ohh ohn oho on- ona onh onn ono oo- ooa ooh oon ooo oza ozo ozz zaa zah zan zao zaz zha zho znn zno zo- zoa zon zoo zzz