a-a a-c aaa aac aam aao aar aay ac- aca acc acm aco acr acy ama amc amm amo amr amy aoa aoc aom aoo aor ar- ara arc arm aro arr ary ay- aya ayc ayo ayr c-- caa cac cam cao car cay cca ccc ccm cco ccr cma cmc cmm cmo cmr cmy co- coa coc com coo cor coy cra crc crm cro crr cry cya cyc cym cyo cyr m-o m-r maa mac mam mao mar may mc- mca mcc mcm mco mcr mma mmc mmm mmo mmr moa moc mom moo mor moy mra mrc mrm mro mrr mry my- mya myc mym myo myr oaa oac oam oao oar oc- oca occ ocm oco ocr om- oma omc omm omo omr omy oo- ooa ooc oom ooo oor or- ora orc orm oro orr ory oya oyo ra- raa rac ram rao rar ray rca rcc rcm rco rcr rma rmc rmm rmo rmr roa roc rom roo ror roy rra rrc rrm rrr ry- rya ryc rym ryo ryr ryy yaa yac yam yao yar yay yca ycc yco ycy yma ymc ymm ymo yoc yom yoo yor yoy yra yrc yro yyc yyy