a-a a-c aaa aac aam aar aay ac- aca acc acm acr acy ama amc amm amr amy ar- ara arc arm arr ary ay- aya ayc ayr c-- caa cac cam car cay cca ccc ccm ccr cma cmc cmm cmr cmy cra crc crm crr cry cya cyc cym cyr m-r maa mac mam mar may mc- mca mcc mcm mcr mma mmc mmm mmr mra mrc mrm mrr mry my- mya myc mym myr ra- raa rac ram rar ray rca rcc rcm rcr rma rmc rmm rmr rra rrc rrm rrr ry- rya ryc rym ryr ryy yaa yac yam yar yay yca ycc ycy yma ymc ymm yra yrc yyc yyy