bbb bbe bbi bbk bbm bbo be- beb bee bei bek bem beo bi- bib bie bii bik bim bio bkb bke bkk bkm bko bmb bme bmi bmk bmm bmo bob boe boi bok bom boo ebb ebe ebi ebk ebm ebo eeb eee eek eem eeo eib eie eii eik eim eio ekb eke eki eko em- emb eme emi emk emm emo eo- eob eoe eoi eok eom eoo ibb ibe ibi ibk ibm ibo ie- iee iei iek iem iib iie iii iim iio ikb ike iki ikk iko im- imb ime imi imm imo io- iob ioe ioi iom ioo kbb kbe kbi kbk kbm kbo ke- keb kee kei kek kem keo kib kie kii kik kim kio kkb kke kki kkk kkm kmb kme kmi kmk kmm kmo kob koe koi kok kom koo m-o mbb mbe mbi mbk mbm mbo meb mee mei mek mem meo mi- mib mie mii mik mim mio mkb mke mkk mkm mko mmb mme mmi mmk mmm mmo mob moe moi mok mom moo o-i ob- obb obe obi obk obm obo oeb oee oei oem oeo oib oie oii oik oim oio okb oke oki okk oko om- omb ome omi omm omo oo- oob ooi ook oom ooo