a-a a-b aaa aab aam aan aar aay ab- aba abb abm abn abr aby ama amb amm amn amr amy an- ana anb anm ann anr any ar- ara arb arm arn arr ary ay- aya ayn ayr baa bab bam ban bar bay bba bbb bbm bbn bbr bby bma bmb bmm bmn bmr bna bnb bnn bnr bra brb brm brn brr bry by- bya bym byn byr m-r maa mab mam man mar may mba mbb mbm mbr mma mmb mmm mmn mmr mna mnb mnm mnn mnr mra mrb mrm mrn mrr mry my- mya myb mym myn myr naa nab nam nan nar nay nba nbb nbm nbn nbr nma nmb nmm nmn nmr nna nnb nnm nnn nra nrb nrm nrn nrr nry nya nym nyn nyy ra- raa rab ram ran rar ray rba rbb rbm rbn rbr rma rmb rmm rmn rmr rna rnb rnm rnn rnr rny rra rrb rrm rrn rrr ry- rya rym ryn ryr ryy yaa yab yam yan yar yay ybm ybr yby yma ymm yna ynn yny yra yrn yyb yyy