-ey bbb bbe bbi bbm bbo bbs bby be- beb bee bei bem beo bes bey bi- bib bie bii bim bio bis biy bmb bme bmi bmm bmo bms bob boe boi bom boo bos boy bsb bse bsi bsm bso bss bsy by- bye byi bym byo bys ebb ebe ebi ebm ebo ebs eby eeb eee eem eeo ees eey eib eie eii eim eio eis em- emb eme emi emm emo ems eo- eob eoe eoi eom eoo eos es- esb ese esi esm eso ess esy eye eym eyo eys ibb ibe ibi ibm ibo ibs iby ie- iee iei iem ies iey iib iie iii iim iio iis im- imb ime imi imm imo ims imy io- iob ioe ioi iom ioo ios is- isb ise isi ism iso iss isy iye iym iyo iys iyy m-o mbb mbe mbi mbm mbo mbs meb mee mei mem meo mes mey mi- mib mie mii mim mio mis miy mmb mme mmi mmm mmo mms mob moe moi mom moo mos moy msb mse msi msm mso mss msy my- myb mye mym myo mys o-i ob- obb obe obi obm obo obs oby oeb oee oei oem oeo oes oey oib oie oii oim oio ois om- omb ome omi omm omo oms omy oo- oob ooi oom ooo oos os- osb ose osi osm oso oss oye oyi oyo oys sbb sbe sbi sbm sbo sbs sby se- seb see sei sem seo ses sey sib sie sii sim sio sis smb sme smi smm smo sms smy sob soe soi som soo sos soy ss- ssb sse ssi ssm sso sss sy- syb sye syi sym sys ybe ybi ybm ybs yby yeb yee yei yem yeo yes yey yie yii yim yio yis yme ymi ymm ymo yms yob yoe yoi yom yoo yos yoy ysb yse ysi ysm yso yss ysy yyb yye yys yyy