a-a a-c aaa aac aam aar aau ac- aca acc acm acr acu ama amc amm amr amu ar- ara arc arm arr aru au- aua auc aum aur c-- caa cac cam car cau cca ccc ccm ccr ccu cma cmc cmm cmr cmu cra crc crm crr cru cua cuc cum cur cuu m-r maa mac mam mar mau mc- mca mcc mcm mcr mcu mma mmc mmm mmr mmu mra mrc mrm mrr mru mua muc mum mur muu ra- raa rac ram rar rau rca rcc rcm rcr rcu rma rmc rmm rmr rra rrc rrm rrr rru rua ruc rum rur ruu ua- uaa uac uam uar uau uca ucc ucm ucr ucu um- uma umc umm umr umu ur- ura urc urm urr uru uua uuc uum uur uuu