a-a a-c aaa aac aam aao aau ac- aca acc acm aco acu ama amc amm amo amu aoa aoc aom aoo aou au- aua auc aum auo c-- caa cac cam cao cau cca ccc ccm cco ccu cma cmc cmm cmo cmu co- coa coc com coo cou cua cuc cum cuo cuu m-o maa mac mam mao mau mc- mca mcc mcm mco mcu mma mmc mmm mmo mmu moa moc mom moo mou mua muc mum muu oaa oac oam oao oau oc- oca occ ocm oco ocu om- oma omc omm omo omu oo- ooa ooc oom ooo ou- oua ouc oum ouo ua- uaa uac uam uao uau uca ucc ucm uco ucu um- uma umc umm umo umu uoa uoc uom uoo uua uuc uum uuu