a-a a-c a-z aaa aac aan aas aay aaz ac- aca acc acn acs acy acz an- ana anc ann ans any anz as- asa asc asn ass asy asz ay- aya ayc ayn ays ayz az- aza azn azs azy azz c-- caa cac can cas cay caz cca ccc ccn ccs ccz cn- cna cnc cnn cns cny csa csc csn css csy csz cya cyc cyn cys cz- czc naa nac nan nas nay naz nca ncc ncn ncs nna nnc nnn nns nnz nsa nsc nsn nss nsy nsz nya nyc nyn nys nyy nzs nzz saa sac san sas say saz sca scc scn scs sna snc snn sns sny ss- ssa ssc ssn sss ssz sy- sya syc syn sys sza yaa yac yan yas yay yaz yca ycc ycs ycy yna ynn yns yny ysa ysc yss ysy ysz yyc yys yyy yyz yzy zaa zac zan zas zay zaz zcs znc znn zns zsa zsz zzs zzy zzz