-ey a-a a-b aaa aab aad aae aam aay ab- aba abb abd abe abm aby ad- ada adb add ade adm ady aea aeb aed aee aem aey ama amb amd ame amm amy ay- aya ayd aye baa bab bad bae bam bay bba bbb bbd bbe bbm bby bda bdb bdd bde bdm bdy be- bea beb bed bee bem bey bma bmb bmd bme bmm by- bya byd bye bym daa dab dad dae dam day dba dbb dbd dbe dbm dby dda ddb ddd dde ddm ddy de- dea deb ded dee dem dey dma dmb dmd dme dmm dy- dya dyb dyd dye dym dyy eaa eab ead eae eam eba ebb ebd ebe ebm eby ed- eda edb edd ede edm edy eea eeb eed eee eem eey em- ema emb emd eme emm eya eyd eye eym maa mab mad mae mam may mba mbb mbd mbe mbm mda mdb mdd mde mdm mdy mea meb med mee mem mey mma mmb mmd mme mmm my- mya myb myd mye mym yaa yab yad yae yam yay ybe ybm yby yda yde ydy yea yeb yed yee yem yey yma yme ymm yyb yye yyy