a-a a-b a-z aaa aab aam aar aay aaz ab- aba abb abm abr aby abz ama amb amm amr amy amz ar- ara arb arm arr ary arz ay- aya ayr ayz az- aza azb azm azy azz baa bab bam bar bay baz bba bbb bbm bbr bby bma bmb bmm bmr bmz bra brb brm brr bry brz by- bya bym byr byz bza bzr bzz m-r maa mab mam mar may maz mba mbb mbm mbr mma mmb mmm mmr mmz mra mrb mrm mrr mry mrz my- mya myb mym myr mza mzb mzm ra- raa rab ram rar ray raz rba rbb rbm rbr rma rmb rmm rmr rra rrb rrm rrr ry- rya rym ryr ryy ryz rza rzb rzm rzy yaa yab yam yar yay yaz ybm ybr yby ybz yma ymm yra yyb yyy yyz yzb yzr yzy zaa zab zam zar zay zaz zbb zbm zbr zby zma zmb zmm zym zzr zzy zzz