a-a a-c a-z aaa aac aad aar aay aaz ac- aca acc acd acr acy acz ad- ada adc add adr ady adz ar- ara arc ard arr ary arz ay- aya ayc ayd ayr ayz az- aza azd azy azz c-- caa cac cad car cay caz cca ccc ccd ccr ccz cda cdc cdd cdr cdy cdz cra crc crd crr cry crz cya cyc cyd cyr cz- czc czd daa dac dad dar day daz dca dcc dcd dcr dda ddc ddd ddr ddy ddz dra drc drd drr dry drz dy- dya dyc dyd dyr dyy dza dzd dzr ra- raa rac rad rar ray raz rca rcc rcd rcr rda rdc rdd rdr rdy rra rrc rrd rrr ry- rya ryc ryd ryr ryy ryz rza rzy yaa yac yad yar yay yaz yca ycc ycd ycy yda ydy yra yrc yyc yyy yyz yzr yzy zaa zac zad zar zay zaz zzr zzy zzz