a-a a-c a-t a-z aaa aac aan aar aat aay aaz ac- aca acc acn acr act acy acz an- ana anc ann anr ant any anz ar- ara arc arn arr art ary arz at- ata atc atn atr att atz ay- aya ayc ayn ayr ayt ayz az- aza azn azt azy azz c-- caa cac can car cat cay caz cca ccc ccn ccr cct ccz cn- cna cnc cnn cnr cnt cny cra crc crn crr crt cry crz cta ctc ctn ctr ctt cty ctz cya cyc cyn cyr cyt cz- czc czt naa nac nan nar nat nay naz nca ncc ncn ncr nct nna nnc nnn nnt nnz nra nrc nrn nrr nrt nry nrz nta ntc ntn ntr ntt ntz nya nyc nyn nyt nyy nzz ra- raa rac ran rar rat ray raz rca rcc rcn rcr rct rna rnc rnn rnr rnt rny rnz rra rrc rrn rrr rrt rta rtc rtn rtr rtt rty rtz ry- rya ryc ryn ryr ryy ryz rza rzy taa tac tan tar tat tay taz tca tcc tcn tcr tct tna tnc tnn tnr tnt tnz tra trc trn trr trt try trz tta ttc ttn ttr ttt tty tya tyc tyn tyr tyt tza yaa yac yan yar yat yay yaz yca ycc ycy yna ynn yny yra yrc yrn yrt yta ytc ytn ytr ytt yyc yyt yyy yyz yzr yzy zaa zac zan zar zat zay zaz znc znn zta ztr zzr zzt zzy zzz