a-a a-b aaa aab aad aam aan aay ab- aba abb abd abm abn aby ad- ada adb add adm adn ady ama amb amd amm amn amy an- ana anb and anm ann any ay- aya ayd ayn baa bab bad bam ban bay bba bbb bbd bbm bbn bby bda bdb bdd bdm bdy bma bmb bmd bmm bmn bna bnb bnd bnn by- bya byd bym byn daa dab dad dam dan day dba dbb dbd dbm dbn dby dda ddb ddd ddm ddn ddy dma dmb dmd dmm dmn dna dnb dnd dnm dnn dny dy- dya dyb dyd dym dyn dyy maa mab mad mam man may mba mbb mbd mbm mda mdb mdd mdm mdn mdy mma mmb mmd mmm mmn mna mnb mnm mnn my- mya myb myd mym myn naa nab nad nam nan nay nba nbb nbd nbm nbn nda ndb ndd ndm ndn ndy nma nmb nmd nmm nmn nna nnb nnm nnn nya nyd nym nyn nyy yaa yab yad yam yan yay ybm yby yda ydn ydy yma ymm yna ynd ynn yny yyb yyy