-ey bbb bbe bbi bbm bbo bbs bbt bby be- beb bee bei bem beo bes bet bey bi- bib bie bii bim bio bis bit biy bmb bme bmi bmm bmo bms bmt bob boe boi bom boo bos bot boy bsb bse bsi bsm bso bss bst bsy btb bte bti btm bto bts btt bty by- bye byi bym byo bys byt ebb ebe ebi ebm ebo ebs ebt eby eeb eee eem eeo ees eet eey eib eie eii eim eio eis eit em- emb eme emi emm emo ems emt eo- eob eoe eoi eom eoo eos eot es- esb ese esi esm eso ess est esy etb ete eti etm eto ets ett ety eye eym eyo eys eyt ibb ibe ibi ibm ibo ibs ibt iby ie- iee iei iem ies iet iey iib iie iii iim iio iis iit im- imb ime imi imm imo ims imt imy io- iob ioe ioi iom ioo ios iot is- isb ise isi ism iso iss ist isy itb ite iti itm ito its itt ity iye iym iyo iys iyt iyy m-o mbb mbe mbi mbm mbo mbs mbt meb mee mei mem meo mes met mey mi- mib mie mii mim mio mis mit miy mmb mme mmi mmm mmo mms mmt mob moe moi mom moo mos mot moy msb mse msi msm mso mss mst msy mtb mte mti mtm mto mts mtt my- myb mye mym myo mys myt o-i ob- obb obe obi obm obo obs obt oby oeb oee oei oem oeo oes oet oey oib oie oii oim oio ois oit om- omb ome omi omm omo oms omt omy oo- oob ooi oom ooo oos oot os- osb ose osi osm oso oss ost ot- otb ote oti otm oto ots ott oye oyi oyo oys sbb sbe sbi sbm sbo sbs sbt sby se- seb see sei sem seo ses set sey sib sie sii sim sio sis sit smb sme smi smm smo sms smt smy sob soe soi som soo sos sot soy ss- ssb sse ssi ssm sso sss sst stb ste sti stm sto sts stt sty sy- syb sye syi sym sys syt tbb tbe tbi tbm tbo tbs tbt te- teb tee tei tem teo tes tet tey tib tie tii tim tio tis tit tiy tmb tme tmi tmm tmo tms tmt tmy to- tob toe toi tom too tos tot toy tsb tse tsi tsm tso tss tst tsy ttb tte tti ttm tto tts ttt tty tye tym tyo tys tyt ybe ybi ybm ybs yby yeb yee yei yem yeo yes yet yey yie yii yim yio yis yit yme ymi ymm ymo yms ymt yob yoe yoi yom yoo yos yot yoy ysb yse ysi ysm yso yss yst ysy yte ytm yto yts ytt yyb yye yys yyt yyy