-ey bbb bbe bbi bbk bbm bbo bbs bby be- beb bee bei bek bem beo bes bey bi- bib bie bii bik bim bio bis biy bkb bke bkk bkm bko bks bmb bme bmi bmk bmm bmo bms bob boe boi bok bom boo bos boy bsb bse bsi bsk bsm bso bss bsy by- bye byi byk bym byo bys ebb ebe ebi ebk ebm ebo ebs eby eeb eee eek eem eeo ees eey eib eie eii eik eim eio eis ekb eke eki eko eks eky em- emb eme emi emk emm emo ems eo- eob eoe eoi eok eom eoo eos es- esb ese esi esk esm eso ess esy eye eym eyo eys ibb ibe ibi ibk ibm ibo ibs iby ie- iee iei iek iem ies iey iib iie iii iim iio iis ikb ike iki ikk iko iks im- imb ime imi imm imo ims imy io- iob ioe ioi iom ioo ios is- isb ise isi isk ism iso iss isy iye iym iyo iys iyy kbb kbe kbi kbk kbm kbo kbs ke- keb kee kei kek kem keo kes key kib kie kii kik kim kio kis kkb kke kki kkk kkm kks kky kmb kme kmi kmk kmm kmo kms kob koe koi kok kom koo kos koy ksb kse ksi ksk ksm kso kss kye kym kyo kys m-o mbb mbe mbi mbk mbm mbo mbs meb mee mei mek mem meo mes mey mi- mib mie mii mik mim mio mis miy mkb mke mkk mkm mko mks mky mmb mme mmi mmk mmm mmo mms mob moe moi mok mom moo mos moy msb mse msi msk msm mso mss msy my- myb mye myk mym myo mys o-i ob- obb obe obi obk obm obo obs oby oeb oee oei oem oeo oes oey oib oie oii oik oim oio ois okb oke oki okk oko oks om- omb ome omi omm omo oms omy oo- oob ooi ook oom ooo oos os- osb ose osi osk osm oso oss oye oyi oyo oys sbb sbe sbi sbk sbm sbo sbs sby se- seb see sei sek sem seo ses sey sib sie sii sik sim sio sis sk- skb ske ski skk skm sko sks sky smb sme smi smk smm smo sms smy sob soe soi sok som soo sos soy ss- ssb sse ssi ssk ssm sso sss sy- syb sye syi syk sym sys ybe ybi ybm ybs yby yeb yee yei yek yem yeo yes yey yie yii yim yio yis yki ykk ykm yme ymi ymm ymo yms yob yoe yoi yok yom yoo yos yoy ysb yse ysi ysk ysm yso yss ysy yyb yye yys yyy