a-a a-b a-z aaa aab aad aag aan aaz ab- aba abb abd abg abn abz ad- ada adb add adg adn adz ag- aga agb agd agg agn agz an- ana anb and ang ann anz az- aza azb azd azg azn azz baa bab bad bag ban baz bba bbb bbd bbg bbn bda bdb bdd bdg bdz bga bgb bgd bgg bgn bgz bna bnb bnd bng bnn bnz bza bzd bzn bzz daa dab dad dag dan daz dba dbb dbd dbg dbn dbz dda ddb ddd ddg ddn ddz dga dgd dgg dgn dgz dna dnb dnd dng dnn dnz dza dzb dzd g-d gaa gab gad gag gan gaz gba gbd gbg gbn gbz gda gdb gdd gdn gga ggb ggd ggg ggn ggz gna gnb gnd gnn gza naa nab nad nag nan naz nba nbb nbd nbg nbn nda ndb ndd ndg ndn nga ngb ngd ngg ngn nna nnb nng nnn nnz nzb nzd nzg nzz z-g zaa zab zad zag zan zaz zbb zgb zgg znd znn zzz