-er -ey bbb bbe bbm bbr bbs bbt bby be- beb bee bem ber bes bet bey bmb bme bmm bmr bms bmt brb bre brm brr brs brt bry bsb bse bsm bsr bss bst bsy btb bte btm btr bts btt bty by- bye bym byr bys byt ebb ebe ebm ebr ebs ebt eby eeb eee eem eer ees eet eey em- emb eme emm emr ems emt erb ere erm err ers ert ery es- esb ese esm esr ess est esy etb ete etm etr ets ett ety eye eym eyr eys eyt m-r mbb mbe mbm mbr mbs mbt meb mee mem mer mes met mey mmb mme mmm mmr mms mmt mrb mre mrm mrr mrs mrt mry msb mse msm msr mss mst msy mtb mte mtm mtr mts mtt my- myb mye mym myr mys myt rbb rbe rbm rbr rbs rbt re- reb ree rem rer res ret rey rmb rme rmm rmr rms rmt rrb rrm rrr rrs rrt rsb rse rsm rsr rss rst rtb rte rtm rtr rts rtt rty ry- rye rym ryr rys ryy sbb sbe sbm sbr sbs sbt sby se- seb see sem ser ses set sey smb sme smm smr sms smt smy sr- srb sre srm srr srs srt sry ss- ssb sse ssm ssr sss sst stb ste stm str sts stt sty sy- syb sye sym syr sys syt tbb tbe tbm tbr tbs tbt te- teb tee tem ter tes tet tey tmb tme tmm tmr tms tmt tmy trb tre trm trr trs trt try tsb tse tsm tsr tss tst tsy ttb tte ttm ttr tts ttt tty tye tym tyr tys tyt ybe ybm ybr ybs yby yeb yee yem yer yes yet yey yme ymm yms ymt yre yrs yrt ysb yse ysm ysr yss yst ysy yte ytm ytr yts ytt yyb yye yys yyt yyy