-er bbb bbe bbk bbo bbr bbs be- beb bee bek beo ber bes bev bkb bke bkk bko bkr bks bkv bob boe bok boo bor bos bov brb bre brk bro brr brs brv bsb bse bsk bso bsr bss bsv bvb bve bvk bvo bvr bvs bvv ebb ebe ebk ebo ebr ebs ebv eeb eee eek eeo eer ees eev ekb eke eko ekr eks ekv eo- eob eoe eok eoo eor eos erb ere erk ero err ers erv es- esb ese esk eso esr ess esv evb eve evo evr evs evv kbb kbe kbk kbo kbr kbs ke- keb kee kek keo ker kes kev kkb kke kkk kkr kks kkv kob koe kok koo kor kos krk kro krr krs krv ksb kse ksk kso ksr kss ksv kvb kvk kvo kvr kvs kvv ob- obb obe obk obo obr obs obv oeb oee oeo oer oes okb oke okk oko okr oks oo- oob ook ooo oor oos oov or- orb ore ork oro orr ors orv os- osb ose osk oso osr oss osv ov- ovb ove ovo ovs ovv rbb rbe rbk rbo rbr rbs re- reb ree rek reo rer res rev rkb rke rkk rko rks rkv rob roe rok roo ror ros rov rrb rrk rrr rrs rsb rse rsk rso rsr rss rsv rvb rve rvo rvr rvs rvv sbb sbe sbk sbo sbr sbs sbv se- seb see sek seo ser ses sev sk- skb ske skk sko skr sks sob soe sok soo sor sos sov sr- srb sre srk sro srr srs srv ss- ssb sse ssk sso ssr sss ssv svb sve svk svo svr svs svv v-e vbk vbo vbr vbs vbv veb vee vek veo ver ves vkb vob voe vok voo vor vos vov vrb vre vrk vrr vrs vsb vse vsk vso vsr vss vsv vvb vvo vvr vvs vvv

-ose bbbb bbbs bbeb bebb bebe bebo beeb beek beer bees beke beko beks beo- beok beor beos bere berk bero berr bers bes- bese besk beso bess bevo bevs bobb bobe bobo bobs boee boeo boer boes boke boko boks boob booe book boor boos bor- bore bork boro borr bors bose bosk boso boss bove bovo breb bree brek breo brer bres brev brkb brob broe brok broo bror bros brrr brrs brsb brsr bseb bsee bser bses bsos bsse ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eeke eeks eero eers eese eesk ekeb ekek eker ekes ekos eoes eore erbb erbe ereb erer eres erev erke erks erob eroe eroo eros erre erro errs erse erso erve esbo esbs esee esek eseo eser eses eske esko esks eso- esok esos esse esso ever eves evoe evoo evos evre evrs evvk k-os kbbb kbbe kbbk kbbo kbbr kbbs kbeb kbee kbek kbeo kber kbes kbev kbkb kbkk kbko kbkr kbkv kbob kboe kbok kboo kbos kbov kbrb kbre kbrk kbro kbrv kbsb kbsk kbso kbsr kbss kbsv kbvb kbvo kbvr kebb kebe kebr keek keer kees kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kerv kesb kesk keso kesr kess keve kevs kkbb kkbe kkbo kkbr kkbs kkkk kkob kkoo kkor kkov kkrb kkre kkrk kkro kkrr kkrs kkrv kkse kksr kkss kkvr kkvv kobb kobe kobk kobo kobr kobs koes kokb koke kokk koko kokr koks koob kook kooo koor koos koov korb kore kork koro korr kors korv kos- kosb kose koso kosr koss kove kovk kovo kovr krbb krbe krbk krbr kreb kree krek kreo kres krev krke krkk krko krkr krks krkv krob kroe krok kroo kror kros krov krrb krre krrk krro krrr krrs krse krsk krsr krss krsv krvb krve krvk krvo krvr krvs krvv ksbr ksbs ksbv ksee ksek kseo kser ksev kskb kske kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksrv ksse ksso kssr ksss ksve ksvr kvbr kver kves kvob kvoe kvok kvoo kvor kvov kvre kvro kvrr kvrv kvso kvsr kvss kvsv kvvr kvvs kvvv o-eo obbo ober obes obkb oboe obok obor obos obre obro obsr obss obvs oere oers oese oker okes okko okok okor okre okro okso oobe ooer ooes oooo ooos oore oose orbb orbe orbo orbs ore- oreb orek oreo orer ores orke orko oro- oroe orok oror oros orro orrs orse orsk orso orve orvr orvs osbe osee osek oser oses osoo osor osos osov osro ossb osse osso osve ovee over ovo- ovoo ovre rbbb rbbr rbbs rbss rebb rebe rebk rebo rebs reeb reek rees reev reke reko reks reos rere rero rers rese reso ress reve revo revs rkos rkss rksv rob- robb robe robo robs roer roes roev roke rokk roko rokr roks roob rook roor roos rore rork roro rose roso ross rove rovo rovs rrrr rsee rsos rsre rver s-os sbbs sber sbor sbrk sbse se-e se-k se-o se-s sebe sebo sebs seeb seek seer sees seke sekk seko seok serb sere serk sero serr sers serv sese seso sess seve skee skeo sker skes skoe skor skov skss sobe sobo sobr sobs soeo soes soke sokk soko sook soor soos sorb sore soro sorr sors sose soso soss sosv sove sovo sovs sreb sreo sres sros ssbr ssee sses ssrs sssb ssss svor veer vees veke veor ver- verb vere verk vero vers vese vess veve vevo vkor voer voes voke voks voor vor- vore voro vors vose voso voss vovk vreo vrse vsee vses vsoe vsse vver vvob vvsb vvvv

b-r-k bbbee bbook bbser be-er be-ro bebek beber bebes beebe beebs beeke beers beeve beker bekes bekke bekko bekok berbe berek beres berk- berke berko berks berob beroe berok beror berre berse besee besko besob besos besov besse besso bever beves bevke bevor bo-bo bobek bobko bobok bobos bobov bobr bobre boeke boero boers boese bokeo boker bokes bokko bokok bokor bokov boobs booer booke