-er bbb bbe bbk bbm bbo bbr bbs be- beb bee bek bem beo ber bes bkb bke bkk bkm bko bkr bks bmb bme bmk bmm bmo bmr bms bob boe bok bom boo bor bos brb bre brk brm bro brr brs bsb bse bsk bsm bso bsr bss ebb ebe ebk ebm ebo ebr ebs eeb eee eek eem eeo eer ees ekb eke eko ekr eks em- emb eme emk emm emo emr ems eo- eob eoe eok eom eoo eor eos erb ere erk erm ero err ers es- esb ese esk esm eso esr ess kbb kbe kbk kbm kbo kbr kbs ke- keb kee kek kem keo ker kes kkb kke kkk kkm kkr kks kmb kme kmk kmm kmo kms kob koe kok kom koo kor kos krk kro krr krs ksb kse ksk ksm kso ksr kss m-o m-r mbb mbe mbk mbm mbo mbr mbs meb mee mek mem meo mer mes mkb mke mkk mkm mko mkr mks mmb mme mmk mmm mmo mmr mms mob moe mok mom moo mor mos mrb mre mrk mrm mro mrr mrs msb mse msk msm mso msr mss ob- obb obe obk obm obo obr obs oeb oee oem oeo oer oes okb oke okk oko okr oks om- omb ome omm omo omr oms oo- oob ook oom ooo oor oos or- orb ore ork orm oro orr ors os- osb ose osk osm oso osr oss rbb rbe rbk rbm rbo rbr rbs re- reb ree rek rem reo rer res rkb rke rkk rkm rko rks rmb rme rmm rmo rmr rms rob roe rok rom roo ror ros rrb rrk rrm rrr rrs rsb rse rsk rsm rso rsr rss sbb sbe sbk sbm sbo sbr sbs se- seb see sek sem seo ser ses sk- skb ske skk skm sko skr sks smb sme smk smm smo smr sms sob soe sok som soo sor sos sr- srb sre srk srm sro srr srs ss- ssb sse ssk ssm sso ssr sss

-ose bbbb bbbs bbeb bebb bebe bebo beeb beek beem beer bees beke beko beks beme beo- beok beor beos bere berk berm bero berr bers bes- bese besk besm beso bess bobb bobe bobo bobs boee boeo boer boes boke boko boks bomb bome boms boob booe book boom boor boos bor- bore bork borm boro borr bors bose bosk bosm boso boss breb bree brek brem breo brer bres brkb brob broe brok brom broo bror bros brrm brrr brrs brsb brsr bseb bsee bser bses bsms bsos bsrm bsse bssm ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eeke eeks eemo eems eero eers eese eesk ekeb ekek eker ekes ekos embe embo embr embs emek emer emes emks emme emms emor emos emre emrs emse emso eoes eore erbb erbe ereb erem erer eres erke erks erme ermo erms erob eroe eroo eros erre erro errs erse erso esbo esbs esee esek esem eseo eser eses eske esko esks esme esmo esmr eso- esok esom esos esse esso k-os kbbb kbbe kbbk kbbm kbbo kbbr kbbs kbeb kbee kbek kbeo kber kbes kbkb kbkk kbko kbkr kbmb kbme kbmo kbmr kbms kbob kboe kbok kboo kbos kbrb kbre kbrk kbro kbsb kbsk kbsm kbso kbsr kbss kebb kebe kebr keek keem keer kees kekb keke keko keks kemb keme kemm kemo kemr kems keok keom keos ker- kerb kere kerk kerm kero kerr kers kesb kesk keso kesr kess kkbb kkbe kkbo kkbr kkbs kkkk kkmk kkmo kkmr kkms kkob kkoo kkor kkrb kkre kkrk kkro kkrr kkrs kkse kksm kksr kkss kmbr kmbs kmem kmeo kmer kmke kmkk kmko kmks kmme kmmk kmmm kmmo kmmr kmms kmob kmoe kmok kmom kmor kmrb kmro kmrr kmrs kmsb kmse kmso kmsr kmss kobb kobe kobk kobo kobr kobs koes kokb koke kokk koko kokr koks komb kome komo komr koms koob kook kooo koor koos korb kore kork koro korr kors kos- kosb kose koso kosr koss krbb krbe krbk krbm krbr kreb kree krek krem kreo kres krke krkk krko krkr krks krmb krme krmo krmr krms krob kroe krok krom kroo kror kros krrb krre krrk krrm krro krrr krrs krse krsk krsr krss ksbr ksbs ksee ksek ksem kseo kser kskb kske kskk ksko kskr ksks ksmb ksme ksmm ksmo ksmr ksms ksob ksok ksom ksoo ksor ksos ksrb ksrm ksro ksrr ksrs ksse kssm ksso kssr ksss mbbs mbes mbms mbrs mebe mebo meek meem meer mees meke meko meme memo memr mems meok meor meos mer- merb mere merk merm mero mers mes- mese meso mesr mess mker mkks mksm mmes mmmm mmms mmor mmse mobb mobe mobo mobs moes moke moko mome momo moms moob mooe mook moor moos morb more mork moro mors mose mosk moso moss mrbb mrbm mrbs mreb mree mres mrkr mrse msee msem msmb msmm msms msor msrb mssm mssr o-eo obbo ober obes obkb oboe obok obor obos obre obro obsr obss oeme oere oerm oers oese oker okes okko okmo okok okom okor okre okro okso ombe ombo omee omeo omer omes omo- omoe omoo omor omre omro omsk oobe ooer ooes oome ooms oooo ooos oore oose orbb orbe orbo orbs ore- oreb orek orem oreo orer ores orke orko orme ormo oro- oroe orok orom oror oros orro orrs orse orsk orso osbe osee osek osem oser oses osm- osme osmo osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbmk rbms rbss rebb rebe rebk rebo rebs reeb reek reem rees reke reko reks reme remo rems reos rere rero rers rese reso ress rkos rkss rmbs rob- robb robe robo robs roer roes roke rokk roko rokr roks romb rome romk romm romo roms roob rook room roor roos rore rork roro rose roso ross rrkm rrrr rsee rsme rsos rsre s-os sbbs sber sbor sbrk sbse se-e se-k