a-a a-b a-z aaa aab aag aam aao aaz ab- aba abb abg abm abo abz ag- aga agb agg agm ago agz ama amb amg amm amo amz aoa aob aog aom aoo az- aza azb azg azm azo azz baa bab bag bam bao baz bba bbb bbg bbm bbo bga bgb bgg bgm bgo bgz bma bmb bmg bmm bmo bmz boa bob bog bom boo boz bza bzo bzz gaa gab gag gam gao gaz gba gbg gbm gbo gbz gga ggb ggg ggm ggo ggz gma gmb gmg gmm gmo gmz goa gob gog gom goo goz gza gzo m-o maa mab mag mam mao maz mba mbb mbg mbm mbo mga mgb mgm mgo mgz mma mmb mmg mmm mmo mmz moa mob mog mom moo moz mza mzb mzm oaa oab oag oam oao ob- oba obb obg obm obo oga ogg ogo om- oma omb omg omm omo omz oo- ooa oob oog oom ooo oza ozm ozo ozz z-g zaa zab zag zam zao zaz zbb zbm zgb zgg zma zmb zmm zo- zoa zob zog zom zoo zzz