bbb bbe bbg bbk bbm bbo bbs be- beb bee beg bek bem beo bes bgb bge bgg bgk bgm bgo bgs bkb bke bkg bkk bkm bko bks bmb bme bmg bmk bmm bmo bms bob boe bog bok bom boo bos bsb bse bsg bsk bsm bso bss ebb ebe ebg ebk ebm ebo ebs eeb eee eeg eek eem eeo ees egb ege egg egm ego egs ekb eke ekg eko eks em- emb eme emg emk emm emo ems eo- eob eoe eog eok eom eoo eos es- esb ese esg esk esm eso ess gbe gbg gbk gbm gbo gbs ge- geb gee geg gek gem geo ges ggb ggg ggm ggo ggs gkb gkm gko gks gmb gme gmg gmm gmo gms gob goe gog gok gom goo gos gsb gse gsg gsk gsm gso gss kbb kbe kbk kbm kbo kbs ke- keb kee keg kek kem keo kes kgb kgm kgo kgs kkb kke kkk kkm kks kmb kme kmg kmk kmm kmo kms kob koe kog kok kom koo kos ksb kse ksg ksk ksm kso kss m-o mbb mbe mbg mbk mbm mbo mbs meb mee meg mek mem meo mes mgb mge mgk mgm mgo mgs mkb mke mkg mkk mkm mko mks mmb mme mmg mmk mmm mmo mms mob moe mog mok mom moo mos msb mse msg msk msm mso mss ob- obb obe obg obk obm obo obs oeb oee oeg oem oeo oes oge ogg ogo ogs okb oke okg okk oko oks om- omb ome omg omm omo oms oo- oob oog ook oom ooo oos os- osb ose osg osk osm oso oss sbb sbe sbg sbk sbm sbo sbs se- seb see seg sek sem seo ses sgb sge sgg sgk sgm sgo sgs sk- skb ske skg skk skm sko sks smb sme smg smk smm smo sms sob soe sog sok som soo sos ss- ssb sse ssg ssk ssm sso sss