-ey a-a a-b a-t aaa aab aae aam aas aat aay ab- aba abb abe abm abs abt aby aea aeb aee aem aes aet aey ama amb ame amm ams amt amy as- asa asb ase asm ass ast asy at- ata atb ate atm ats att ay- aya aye ays ayt baa bab bae bam bas bat bay bba bbb bbe bbm bbs bbt bby be- bea beb bee bem bes bet bey bma bmb bme bmm bms bmt bsa bsb bse bsm bss bst bsy bta btb bte btm bts btt bty by- bya bye bym bys byt eaa eab eae eam eas eat eba ebb ebe ebm ebs ebt eby eea eeb eee eem ees eet eey em- ema emb eme emm ems emt es- esa esb ese esm ess est esy eta etb ete etm ets ett ety eya eye eym eys eyt maa mab mae mam mas mat may mba mbb mbe mbm mbs mbt mea meb mee mem mes met mey mma mmb mme mmm mms mmt msa msb mse msm mss mst msy mta mtb mte mtm mts mtt my- mya myb mye mym mys myt saa sab sae sam sas sat say sba sbb sbe sbm sbs sbt sby se- sea seb see sem ses set sey sma smb sme smm sms smt smy ss- ssa ssb sse ssm sss sst sta stb ste stm sts stt sty sy- sya syb sye sym sys syt taa tab tae tam tas tat tay tba tbb tbe tbm tbs tbt te- tea teb tee tem tes tet tey tma tmb tme tmm tms tmt tmy tsa tsb tse tsm tss tst tsy tta ttb tte ttm tts ttt tty tya tye tym tys tyt yaa yab yae yam yas yat yay ybe ybm ybs yby yea yeb yee yem yes yet yey yma yme ymm yms ymt ysa ysb yse ysm yss yst ysy yta yte ytm yts ytt yyb yye yys yyt yyy