-er -ey bbb bbe bbf bbi bbm bbo bbr bbs bby be- beb bee bef bei bem beo ber bes bey bfb bfe bff bfi bfm bfo bfr bfs bfy bi- bib bie bif bii bim bio bir bis biy bmb bme bmf bmi bmm bmo bmr bms bob boe bof boi bom boo bor bos boy brb bre brf bri brm bro brr brs bry bsb bse bsf bsi bsm bso bsr bss bsy by- bye byf byi bym byo byr bys ebb ebe ebf ebi ebm ebo ebr ebs eby eeb eee eef eem eeo eer ees eey ef- efb efe eff efi efm efo efr efs eib eie eif eii eim eio eir eis em- emb eme emf emi emm emo emr ems eo- eob eoe eof eoi eom eoo eor eos erb ere erf eri erm ero err ers ery es- esb ese esf esi esm eso esr ess esy eye eym eyo eyr eys fbb fbe fbf fbi fbm fbo fbr fbs feb fee fef fei fem feo fer fes fey ffe fff ffi ffm ffo ffr ffs ffy fib fie fif fii fim fir fis fmb fme fmf fmi fmm fmo fmr fms fob foe fof foi fom foo for fos foy frb fre frf fri frm fro frr frs fry fsb fse fsf fsi fsm fso fsr fss fy- fyb fye fyi fyo i-f ibb ibe ibf ibi ibm ibo ibr ibs iby ie- iee ief iei iem ier ies iey ifb ife iff ifi ifm ifo ifr ifs ify iib iie iif iii iim iio iir iis im- imb ime imf imi imm imo ims imy io- iob ioe iof ioi iom ioo ior ios ir- irb ire irf iri irm iro irr irs iry is- isb ise isf isi ism iso isr iss isy iye iym iyo iyr iys iyy m-f m-o m-r mbb mbe mbf mbi mbm mbo mbr mbs meb mee mef mei mem meo mer mes mey mfb mfe mff mfi mfm mfo mfr mfs mfy mi- mib mie mif mii mim mio mir mis miy mmb mme mmf mmi mmm mmo mmr mms mob moe mof moi mom moo mor mos moy mrb mre mrf mri mrm mro mrr mrs mry msb mse msf msi msm mso msr mss msy my- myb mye myf mym myo myr mys o-i ob- obb obe obf obi obm obo obr obs oby oeb oee oef oei oem oeo oer oes oey of- ofb ofe off ofi ofm ofo ofr ofs oib oie oif oii oim oio oir ois om- omb ome omf omi omm omo omr oms omy oo- oob oof ooi oom ooo oor oos or- orb ore orf ori orm oro orr ors ory os- osb ose osf osi osm oso osr oss oye oyi oyo oys rbb rbe rbf rbi rbm rbo rbr rbs re- reb ree ref rei rem reo rer res rey rfb rfe rff rfi rfm rfo rfr rfs rib rie rif rii rim rio rir ris riy rmb rme rmf rmi rmm rmo rmr rms rob roe rof roi rom roo ror ros roy rrb rrf rri rrm rrr rrs rsb rse rsf rsi rsm rso rsr rss ry- rye ryf rym ryo ryr rys ryy sbb sbe sbf sbi sbm sbo sbr sbs sby se- seb see sef sei sem seo ser ses sey sfb sfe sff sfi sfm sfo sfr sfs sib sie sif sii sim sio sir sis smb sme smf smi smm smo smr sms smy sob soe sof soi som soo sor sos soy sr- srb sre srf sri srm sro srr srs sry ss- ssb sse ssf ssi ssm sso ssr sss sy- syb sye syi sym syr sys ybe ybf ybi ybm ybr ybs yby yeb yee yef yei yem yeo yer yes yey yfe yff yfm yfr yfs yie yif yii yim yio yir yis yme ymi ymm ymo yms yob yoe yof yoi yom yoo yor yos yoy yre yrf yro yrs ysb yse ysi ysm yso ysr yss ysy yyb yye yyf yys yyy