a-a a-b aaa aab aag aam aan aao aay ab- aba abb abg abm abn abo aby ag- aga agb agg agm agn ago agy ama amb amg amm amn amo amy an- ana anb ang anm ann ano any aoa aob aog aom aon aoo ay- aya ayn ayo baa bab bag bam ban bao bay bba bbb bbg bbm bbn bbo bby bga bgb bgg bgm bgn bgo bma bmb bmg bmm bmn bmo bna bnb bng bnn bno boa bob bog bom bon boo boy by- bya byg bym byn byo gaa gab gag gam gan gao gay gba gbg gbm gbn gbo gby gga ggb ggg ggm ggn ggo gma gmb gmg gmm gmn gmo gmy gna gnb gnm gnn gno goa gob gog gom gon goo goy gy- gya gyb gym gyn gyo m-o maa mab mag mam man mao may mba mbb mbg mbm mbo mga mgb mgm mgn mgo mgy mma mmb mmg mmm mmn mmo mna mnb mng mnm mnn mno moa mob mog mom mon moo moy my- mya myb myg mym myn myo naa nab nag nam nan nao nay nba nbb nbg nbm nbn nbo nga ngb ngg ngm ngn ngo nma nmb nmg nmm nmn nmo nna nnb nng nnm nnn nno no- noa nob nog nom non noo noy nya nyg nym nyn nyo nyy oaa oab oag oam oan oao ob- oba obb obg obm obn obo oby oga ogg ogn ogo ogy om- oma omb omg omm omn omo omy on- ona onb ong onn ono ony oo- ooa oob oog oom oon ooo oya oyo yaa yab yag yam yan yao yay ybg ybm yby yga ygm ygo yma ymg ymm ymo yna yng ynn yny yob yog yom yon yoo yoy yyb yyg yyy