-er bbb bbe bbk bbo bbr bbs be- beb bee bek beo ber bes bkb bke bkk bko bkr bks bob boe bok boo bor bos brb bre brk bro brr brs bsb bse bsk bso bsr bss ebb ebe ebk ebo ebr ebs eeb eee eek eeo eer ees ekb eke eko ekr eks eo- eob eoe eok eoo eor eos erb ere erk ero err ers es- esb ese esk eso esr ess kbb kbe kbk kbo kbr kbs ke- keb kee kek keo ker kes kkb kke kkk kkr kks kob koe kok koo kor kos krk kro krr krs ksb kse ksk kso ksr kss ob- obb obe obk obo obr obs oeb oee oeo oer oes okb oke okk oko okr oks oo- oob ook ooo oor oos or- orb ore ork oro orr ors os- osb ose osk oso osr oss rbb rbe rbk rbo rbr rbs re- reb ree rek reo rer res rkb rke rkk rko rks rob roe rok roo ror ros rrb rrk rrr rrs rsb rse rsk rso rsr rss sbb sbe sbk sbo sbr sbs se- seb see sek seo ser ses sk- skb ske skk sko skr sks sob soe sok soo sor sos sr- srb sre srk sro srr srs ss- ssb sse ssk sso ssr sss

-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 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 breb bree brek breo brer bres 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 erke erks erob eroe eroo eros erre erro errs erse erso esbo esbs esee esek eseo eser eses eske esko esks eso- esok esos esse esso k-os kbbb kbbe kbbk kbbo kbbr kbbs kbeb kbee kbek kbeo kber kbes kbkb kbkk kbko kbkr kbob kboe kbok kboo kbos kbrb kbre kbrk kbro kbsb kbsk kbso kbsr kbss kebb kebe kebr keek keer kees kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kesb kesk keso kesr kess kkbb kkbe kkbo kkbr kkbs kkkk kkob kkoo kkor kkrb kkre kkrk kkro kkrr kkrs kkse kksr kkss kobb kobe kobk kobo kobr kobs koes kokb koke kokk koko kokr koks koob kook kooo koor koos korb kore kork koro korr kors kos- kosb kose koso kosr koss krbb krbe krbk krbr kreb kree krek kreo kres krke krkk krko krkr krks krob kroe krok kroo kror kros krrb krre krrk krro krrr krrs krse krsk krsr krss ksbr ksbs ksee ksek kseo kser kskb kske kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksse ksso kssr ksss o-eo obbo ober obes obkb oboe obok obor obos obre obro obsr obss 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 osbe osee osek oser oses osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbss rebb rebe rebk rebo rebs reeb reek rees reke reko reks reos rere rero rers rese reso ress rkos rkss rob- robb robe robo robs roer roes roke rokk roko rokr roks roob rook roor roos rore rork roro rose roso ross rrrr rsee rsos rsre 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 sese seso sess skee skeo sker skes skoe skor skss sobe sobo sobr sobs soeo soes soke sokk soko sook soor soos sorb sore soro sorr sors sose soso soss sreb sreo sres sros ssbr ssee sses ssrs sssb ssss

b-r-k bbbee bbook bbser be-er be-ro bebek beber bebes beebe beebs beeke beers beker bekes bekke bekko bekok berbe berek beres berk- berke berko berks berob beroe berok beror berre berse besee besko besob besos besse besso bo-bo bobek bobko bobok bobos bobr bobre boeke boero boers boese bokeo boker bokes bokko bokok bokor boobs booer booke booko books boore boors boose borbo boree borek borer bores borko borks boro- borok boroo boros borre borro borse borsk boske bosko bosks bosor bosse bossk bosso breek breer brees breke breo- brere brers brese bress brobo brobs broek broer broke brook broos brose bross brrrr ebber ebeko ebers eboes ebook eeeee eeros ekeko ekers ekker eorre erbbe erber erebs erere eresk erkko eroes eroor eroos erore erose eross erres error erses esere esker esoko esser esses essor essse k-rob kebbe kebek keber kebob keeks keere kerbs kerek keres keros kerre kerrs kerse kerss keser kesko kesse ko-ko kobee kober kobos koker kokko kokor kokos kokre kooks korbe korbo korek kores korke koror koros korro korse korso kosor kosse kosso kre-o krebs kreek krees kreke kreo- kresk kress kroes kroke kroos kross krsko o-r-b obers obese obeso obess oboes oboro obreb obrok obrse oeses okeke okere okker okobo okoro okose okres oo-er ooooo ooser oreo- oreos orere orero orobe orobo oroer oroke orose oroso orser orses osebo osker ososo osse- osseo osser ossos rebbe reber reeks reere reese reesk rekke reose rere- reree reres rerob resee reses reske resko resor resse ro-ro robbe robbo robbs rober robes robo- robor roero roers rokee roker rokes rokke rokkk rokos rooer rooke rooks roore roose rorer rorke rosee roseo roser roses rosko rosse rosso rosss s-k-o s-o-r sebbe sebek sebes sebo- seebe seeke seeks seeor seere seers seese seeso seker sekes sekke sekos seobe serbo serbs serer seres serke sero- serre serro