-er -ey bbb bbe bbi bbm bbo bbr bbs bby be- beb bee bei bem beo ber bes bey bi- bib bie bii bim bio bir bis biy bmb bme bmi bmm bmo bmr bms bob boe boi bom boo bor bos boy brb bre bri brm bro brr brs bry bsb bse bsi bsm bso bsr bss bsy by- bye byi bym byo byr bys ebb ebe ebi ebm ebo ebr ebs eby eeb eee eem eeo eer ees eey eib eie eii eim eio eir eis em- emb eme emi emm emo emr ems eo- eob eoe eoi eom eoo eor eos erb ere eri erm ero err ers ery es- esb ese esi esm eso esr ess esy eye eym eyo eyr eys ibb ibe ibi ibm ibo ibr ibs iby ie- iee iei iem ier ies iey iib iie iii iim iio iir iis im- imb ime imi imm imo ims imy io- iob ioe ioi iom ioo ior ios ir- irb ire iri irm iro irr irs iry is- isb ise isi ism iso isr iss isy iye iym iyo iyr iys iyy m-o m-r mbb mbe mbi mbm mbo mbr mbs meb mee mei mem meo mer mes mey mi- mib mie mii mim mio mir mis miy mmb mme mmi mmm mmo mmr mms mob moe moi mom moo mor mos moy mrb mre mri mrm mro mrr mrs mry msb mse msi msm mso msr mss msy my- myb mye mym myo myr mys o-i ob- obb obe obi obm obo obr obs oby oeb oee oei oem oeo oer oes oey oib oie oii oim oio oir ois om- omb ome omi omm omo omr oms omy oo- oob ooi oom ooo oor oos or- orb ore ori orm oro orr ors ory os- osb ose osi osm oso osr oss oye oyi oyo oys rbb rbe rbi rbm rbo rbr rbs re- reb ree rei rem reo rer res rey rib rie rii rim rio rir ris riy rmb rme rmi rmm rmo rmr rms rob roe roi rom roo ror ros roy rrb rri rrm rrr rrs rsb rse rsi rsm rso rsr rss ry- rye rym ryo ryr rys ryy sbb sbe sbi sbm sbo sbr sbs sby se- seb see sei sem seo ser ses sey sib sie sii sim sio sir sis smb sme smi smm smo smr sms smy sob soe soi som soo sor sos soy sr- srb sre sri srm sro srr srs sry ss- ssb sse ssi ssm sso ssr sss sy- syb sye syi sym syr sys ybe ybi ybm ybr ybs yby yeb yee yei yem yeo yer yes yey yie yii yim yio yir yis yme ymi ymm ymo yms yob yoe yoi yom yoo yor yos yoy yre yro yrs ysb yse ysi ysm yso ysr yss ysy yyb yye yys yyy