a-a a-b a-z aaa aab aad aam aan aar aaz ab- aba abb abd abm abn abr abz ad- ada adb add adm adn adr adz ama amb amd amm amn amr amz an- ana anb and anm ann anr anz ar- ara arb ard arm arn arr arz az- aza azb azd azm azn azz baa bab bad bam ban bar baz bba bbb bbd bbm bbn bbr bda bdb bdd bdm bdr bdz bma bmb bmd bmm bmn bmr bmz bna bnb bnd bnn bnr bnz bra brb brd brm brn brr brz bza bzd bzn bzr bzz daa dab dad dam dan dar daz dba dbb dbd dbm dbn dbr dbz dda ddb ddd ddm ddn ddr ddz dma dmb dmd dmm dmn dmr dmz dna dnb dnd dnm dnn dnr dnz dra drb drd drm drn drr drz dza dzb dzd dzr m-r maa mab mad mam man mar maz mba mbb mbd mbm mbr mda mdb mdd mdm mdn mdr mdz mma mmb mmd mmm mmn mmr mmz mna mnb mnm mnn mnr mnz mra mrb mrd mrm mrn mrr mrz mza mzb mzm mzn naa nab nad nam nan nar naz nba nbb nbd nbm nbn nbr nda ndb ndd ndm ndn ndr nma nmb nmd nmm nmn nmr nmz nna nnb nnm nnn nnz nra nrb nrd nrm nrn nrr nrz nzb nzd nzz ra- raa rab rad ram ran rar raz rba rbb rbd rbm rbn rbr rda rdb rdd rdm rdn rdr rma rmb rmd rmm rmn rmr rna rnb rnd rnm rnn rnr rnz rra rrb rrd rrm rrn rrr rza rzb rzm zaa zab zad zam zan zar zaz zbb zbm zbr zdm zma zmb zmd zmm znd znn zzr zzz