a-a a-b a-z aaa aab aag aam aan aao aaz ab- aba abb abg abm abn abo abz ag- aga agb agg agm agn ago agz ama amb amg amm amn amo amz an- ana anb ang anm ann ano anz aoa aob aog aom aon aoo az- aza azb azg azm azn azo azz baa bab bag bam ban bao baz bba bbb bbg bbm bbn bbo bga bgb bgg bgm bgn bgo bgz bma bmb bmg bmm bmn bmo bmz bna bnb bng bnn bno bnz boa bob bog bom bon boo boz bza bzn bzo bzz gaa gab gag gam gan gao gaz gba gbg gbm gbn gbo gbz gga ggb ggg ggm ggn ggo ggz gma gmb gmg gmm gmn gmo gmz gna gnb gnm gnn gno goa gob gog gom gon goo goz gza gzo m-o maa mab mag mam man mao maz mba mbb mbg mbm mbo mga mgb mgm mgn mgo mgz mma mmb mmg mmm mmn mmo mmz mna mnb mng mnm mnn mno mnz moa mob mog mom mon moo moz mza mzb mzm mzn naa nab nag nam nan nao naz nba nbb nbg nbm nbn nbo nga ngb ngg ngm ngn ngo nma nmb nmg nmm nmn nmo nmz nna nnb nng nnm nnn nno nnz no- noa nob nog nom non noo noz nzb nzg nzo nzz oaa oab oag oam oan oao ob- oba obb obg obm obn obo oga ogg ogn ogo om- oma omb omg omm omn omo omz on- ona onb ong onn ono oo- ooa oob oog oom oon ooo oza ozm ozo ozz z-g zaa zab zag zam zan zao zaz zbb zbm zgb zgg zma zmb zmm znn zno zo- zoa zob zog zom zon zoo zzz