-ey a-a a-b aaa aab aae aam aan aao aay ab- aba abb abe abm abn abo aby aea aeb aee aem aen aeo aey ama amb ame amm amn amo amy an- ana anb ane anm ann ano any aoa aob aoe aom aon aoo ay- aya aye ayn ayo baa bab bae bam ban bao bay bba bbb bbe bbm bbn bbo bby be- bea beb bee bem ben beo bey bma bmb bme bmm bmn bmo bna bnb bne bnn bno boa bob boe bom bon boo boy by- bya bye bym byn byo eaa eab eae eam ean eao eba ebb ebe ebm ebn ebo eby eea eeb eee eem een eeo eey em- ema emb eme emm emn emo en- ena enb ene enm enn eno eny eo- eoa eob eoe eom eon eoo eya eye eym eyn eyo m-o maa mab mae mam man mao may mba mbb mbe mbm mbo mea meb mee mem men meo mey mma mmb mme mmm mmn mmo mna mnb mne mnm mnn mno moa mob moe mom mon moo moy my- mya myb mye mym myn myo naa nab nae nam nan nao nay nba nbb nbe nbm nbn nbo ne- nea neb nee nem nen neo ney nma nmb nme nmm nmn nmo nna nnb nne nnm nnn nno no- noa nob noe nom non noo noy nya nye nym nyn nyo nyy oaa oab oae oam oan oao ob- oba obb obe obm obn obo oby oea oeb oee oem oen oeo oey om- oma omb ome omm omn omo omy on- ona onb one onn ono ony oo- ooa oob oom oon ooo oya oye oyo yaa yab yae yam yan yao yay ybe ybm yby yea yeb yee yem yen yeo yey yma yme ymm ymo yna yne ynn yny yob yoe yom yon yoo yoy yyb yye yyy