-ey a-a a-b aaa aab aad aae aam aao aay ab- aba abb abd abe abm abo aby ad- ada adb add ade adm ado ady aea aeb aed aee aem aeo aey ama amb amd ame amm amo amy aoa aob aod aoe aom aoo ay- aya ayd aye ayo baa bab bad bae bam bao bay bba bbb bbd bbe bbm bbo bby bda bdb bdd bde bdm bdo bdy be- bea beb bed bee bem beo bey bma bmb bmd bme bmm bmo boa bob bod boe bom boo boy by- bya byd bye bym byo daa dab dad dae dam dao day dba dbb dbd dbe dbm dbo dby dda ddb ddd dde ddm ddo ddy de- dea deb ded dee dem deo dey dma dmb dmd dme dmm dmo doa dob dod doe dom doo doy dy- dya dyb dyd dye dym dyo dyy eaa eab ead eae eam eao eba ebb ebd ebe ebm ebo eby ed- eda edb edd ede edm edo edy eea eeb eed eee eem eeo eey em- ema emb emd eme emm emo eo- eoa eob eod eoe eom eoo eya eyd eye eym eyo m-o maa mab mad mae mam mao may mba mbb mbd mbe mbm mbo mda mdb mdd mde mdm mdo mdy mea meb med mee mem meo mey mma mmb mmd mme mmm mmo moa mob mod moe mom moo moy my- mya myb myd mye mym myo oaa oab oad oae oam oao ob- oba obb obd obe obm obo oby oda odb odd ode odm odo oea oeb oed oee oem oeo oey om- oma omb omd ome omm omo omy oo- ooa oob ood oom ooo oya oyd oye oyo yaa yab yad yae yam yao yay ybe ybm yby yda yde ydo ydy yea yeb yed yee yem yeo yey yma yme ymm ymo yob yod yoe yom yoo yoy yyb yye yyy