a-a a-c a-z aaa aac aak aam aao aar aay aaz ac- aca acc ack acm aco acr acy acz aka akc akk akm ako akr ama amc amk amm amo amr amy amz aoa aoc aok aom aoo aor ar- ara arc ark arm aro arr ary arz ay- aya ayc ayk ayo ayr ayz az- aza azm azo azy azz c-- caa cac cak cam cao car cay caz cca ccc cck ccm cco ccr ccz cka ckc ckm cko cky cma cmc cmk cmm cmo cmr cmy co- coa coc cok com coo cor coy coz cra crc crk crm cro crr cry crz cya cyc cyk cym cyo cyr cz- czc czk czm czo k-z ka- kaa kac kak kam kao kar kay kaz kca kcc kck kcm kcr kkc kkk kkm kkr kky kma kmc kmk kmm kmo kmz koa koc kok kom koo kor koy koz kra krc krk kro krr kry kya kyc kym kyo kyr kyz kzo kzy m-o m-r maa mac mak mam mao mar may maz mc- mca mcc mck mcm mco mcr mcz mka mkc mkk mkm mko mkr mky mkz mma mmc mmk mmm mmo mmr mmz moa moc mok mom moo mor moy moz mra mrc mrk mrm mro mrr mry mrz my- mya myc myk mym myo myr mza mzm oaa oac oak oam oao oar oc- oca occ ock ocm oco ocr ocz oka okc okk oko okr om- oma omc omm omo omr omy omz oo- ooa ooc ook oom ooo oor or- ora orc ork orm oro orr ory orz oya oyo oza ozm ozo ozz ra- raa rac rak ram rao rar ray raz rca rcc rcm rco rcr rkc rkk rkm rko rky rkz rma rmc rmm rmo rmr roa roc rok rom roo ror roy roz rra rrc rrk rrm rrr ry- rya ryc ryk rym ryo ryr ryy ryz rza rzm rzo rzy yaa yac yak yam yao yar yay yaz yca ycc yco ycy yka ykk ykm yma ymc ymm ymo yoc yok yom yoo yor yoy yra yrc yro yyc yyy yyz yzr yzy zaa zac zak zam zao zar zay zaz zco zka zma zmc zmk zmm zo- zoa zoc zok zom zoo zor zro zym zzr zzy zzz