-er -ey bbb bbe bbm bbo bbr bbt bby be- beb bee bem beo ber bet bey bmb bme bmm bmo bmr bmt bob boe bom boo bor bot boy brb bre brm bro brr brt bry btb bte btm bto btr btt bty by- bye bym byo byr byt ebb ebe ebm ebo ebr ebt eby eeb eee eem eeo eer eet eey em- emb eme emm emo emr emt eo- eob eoe eom eoo eor eot erb ere erm ero err ert ery etb ete etm eto etr ett ety eye eym eyo eyr eyt m-o m-r mbb mbe mbm mbo mbr mbt meb mee mem meo mer met mey mmb mme mmm mmo mmr mmt mob moe mom moo mor mot moy mrb mre mrm mro mrr mrt mry mtb mte mtm mto mtr mtt my- myb mye mym myo myr myt ob- obb obe obm obo obr obt oby oeb oee oem oeo oer oet oey om- omb ome omm omo omr omt omy oo- oob oom ooo oor oot or- orb ore orm oro orr ort ory ot- otb ote otm oto otr ott oye oyo rbb rbe rbm rbo rbr rbt re- reb ree rem reo rer ret rey rmb rme rmm rmo rmr rmt rob roe rom roo ror rot roy rrb rrm rrr rrt rtb rte rtm rto rtr rtt rty ry- rye rym ryo ryr ryy tbb tbe tbm tbo tbr tbt te- teb tee tem teo ter tet tey tmb tme tmm tmo tmr tmt tmy to- tob toe tom too tor tot toy trb tre trm tro trr trt try ttb tte ttm tto ttr ttt tty tye tym tyo tyr tyt ybe ybm ybr yby yeb yee yem yeo yer yet yey yme ymm ymo ymt yob yoe yom yoo yor yot yoy yre yro yrt yte ytm yto ytr ytt yyb yye yyt yyy