bbb bbk bbm bbo bbr bbs bbw bkb bkk bkm bko bkr bks bkw bmb bmk bmm bmo bmr bms bmw bob bok bom boo bor bos bow brb brk brm bro brr brs brw bsb bsk bsm bso bsr bss bsw bwb bwk bwo bwr bws kbb kbk kbm kbo kbr kbs kbw kkb kkk kkm kkr kks kmb kmk kmm kmo kms kmw kob kok kom koo kor kos kow krk kro krr krs krw ksb ksk ksm kso ksr kss ksw kw- kwk kwm kwo kws kww m-o m-r m-w mbb mbk mbm mbo mbr mbs mbw mkb mkk mkm mko mkr mks mmb mmk mmm mmo mmr mms mmw mob mok mom moo mor mos mow mrb mrk mrm mro mrr mrs mrw msb msk msm mso msr mss msw mwb mwk mwm mwo mwr mws mww ob- obb obk obm obo obr obs obw okb okk oko okr oks okw om- omb omm omo omr oms omw oo- oob ook oom ooo oor oos oow or- orb ork orm oro orr ors os- osb osk osm oso osr oss osw owb owk owm owo ows oww rbb rbk rbm rbo rbr rbs rbw rkb rkk rkm rko rks rmb rmm rmo rmr rms rob rok rom roo ror ros row rrb rrk rrm rrr rrs rsb rsk rsm rso rsr rss rsw rwb rwm rwr rws sbb sbk sbm sbo sbr sbs sbw sk- skb skk skm sko skr sks skw smb smk smm smo smr sms smw sob sok som soo sor sos sow sr- srb srk srm sro srr srs srw ss- ssb ssk ssm sso ssr sss ssw swb swk swm swo swr sws wbb wbo wbr wbs wbw wkb wkm wko wkr wks wkw wm- wmb wmk wmm wmo wmr wms wob wok wom woo wor wos wow wr- wrk wrm wro wrr wrs wrw wsb wsk wsm wso wsr wss wsw wwm wwo www