a-a a-c a-z aaa aac aag aak aan aar aay aaz ac- aca acc acg ack acn acr acy acz ag- aga agc agg agk agn agr agy agz aka akc akg akk akn akr an- ana anc ang ank ann anr any anz ar- ara arc arg ark arn arr ary arz ay- aya ayc ayk ayn ayr ayz az- aza azg azn azy azz c-- caa cac cag cak can car cay caz cca ccc ccg cck ccn ccr ccz cga cgc cgg cgn cgr cgy cka ckc cky cn- cna cnc cng cnn cnr cny cra crc crg crk crn crr cry crz cya cyc cyg cyk cyn cyr cz- czc czk gaa gac gag gak gan gar gay gaz gca gcc gcg gck gcn gcr gga ggc ggg ggn ggr ggz gka gkn gna gnc gnn gnr gra grc grg grk grn grr gry gy- gya gyn gyr gza gzr k-z ka- kaa kac kag kak kan kar kay kaz kca kcc kcg kck kcn kcr kga kgc kgy kkc kkk kkn kkr kky kn- kna knc kng knk knn knr kra krc krg krk krn krr kry kya kyc kyn kyr kyz kzy naa nac nag nak nan nar nay naz nca ncc ncg nck ncn ncr nga ngc ngg ngk ngn nka nkc nkk nkn nkr nky nna nnc nng nnk nnn nnz nra nrc nrg nrk nrn nrr nry nrz nya nyc nyg nyk nyn nyy nzg nzz ra- raa rac rag rak ran rar ray raz rca rcc rcg rcn rcr rga rgc rgg rgk rgn rgr rkc rkg rkk rky rkz rna rnc rng rnn rnr rny rnz rra rrc rrg rrk rrn rrr ry- rya ryc ryg ryk ryn ryr ryy ryz rza rzy yaa yac yag yak yan yar yay yaz yca ycc ycy yga ygc yka ykk ykn yna yng ynk ynn yny yra yrc yrg yrn yyc yyg yyy yyz yzr yzy z-g zaa zac zag zak zan zar zay zaz zgg zka znc znn zzr zzy zzz