-ey a-a a-b aaa aab aad aae aam aas aay ab- aba abb abd abe abm abs aby ad- ada adb add ade adm ads ady aea aeb aed aee aem aes aey ama amb amd ame amm ams amy as- asa asb asd ase asm ass asy ay- aya ayd aye ays baa bab bad bae bam bas bay bba bbb bbd bbe bbm bbs bby bda bdb bdd bde bdm bds bdy be- bea beb bed bee bem bes bey bma bmb bmd bme bmm bms bsa bsb bsd bse bsm bss bsy by- bya byd bye bym bys daa dab dad dae dam das day dba dbb dbd dbe dbm dbs dby dda ddb ddd dde ddm dds ddy de- dea deb ded dee dem des dey dma dmb dmd dme dmm dms dsa dsb dsd dse dsm dss dsy dy- dya dyb dyd dye dym dys dyy eaa eab ead eae eam eas eba ebb ebd ebe ebm ebs eby ed- eda edb edd ede edm eds edy eea eeb eed eee eem ees eey em- ema emb emd eme emm ems es- esa esb esd ese esm ess esy eya eyd eye eym eys maa mab mad mae mam mas may mba mbb mbd mbe mbm mbs mda mdb mdd mde mdm mds mdy mea meb med mee mem mes mey mma mmb mmd mme mmm mms msa msb msd mse msm mss msy my- mya myb myd mye mym mys saa sab sad sae sam sas say sba sbb sbd sbe sbm sbs sby sda sdb sdd sde sdm sds sdy se- sea seb sed see sem ses sey sma smb smd sme smm sms smy ss- ssa ssb ssd sse ssm sss sy- sya syb syd sye sym sys yaa yab yad yae yam yas yay ybe ybm ybs yby yda yde yds ydy yea yeb yed yee yem yes yey yma yme ymm yms ysa ysb yse ysm yss ysy yyb yye yys yyy