a-a a-b aaa aab aam aan aao aau aay ab- aba abb abm abn abo abu aby ama amb amm amn amo amu amy an- ana anb anm ann ano anu any aoa aob aom aon aoo aou au- aua aub aum aun auo ay- aya ayn ayo ayu b-u baa bab bam ban bao bau bay bba bbb bbm bbn bbo bbu bby bma bmb bmm bmn bmo bmu bna bnb bnn bno bnu boa bob bom bon boo bou boy bua bub bum bun buo buu buy by- bya bym byn byo byu m-o maa mab mam man mao mau may mba mbb mbm mbo mbu mma mmb mmm mmn mmo mmu mna mnb mnm mnn mno mnu moa mob mom mon moo mou moy mua mub mum mun muu muy my- mya myb mym myn myo myu naa nab nam nan nao nau nay nba nbb nbm nbn nbo nbu nma nmb nmm nmn nmo nmu nna nnb nnm nnn nno nnu no- noa nob nom non noo nou noy nua nub num nun nuo nuu nuy nya nym nyn nyo nyu nyy oaa oab oam oan oao oau ob- oba obb obm obn obo obu oby om- oma omb omm omn omo omu omy on- ona onb onn ono onu ony oo- ooa oob oom oon ooo ou- oua oum oun ouo oya oyo ua- uaa uab uam uan uao uau uay uba ubb ubn ubo ubu uby um- uma umb umm umn umo umu un- una unb unm unn uno unu uny uoa uob uom uon uoo uua uum uun uuu uyo uyu yaa yab yam yan yao yau yay ybm yby yma ymm ymo yna ynn ynu yny yob yom yon yoo you yoy yua yum yun yuo yuu yuy yyb yyu yyy