-ose bbbb bbbs bbeb bbwr bbws bebb bebe bebo beeb beek beer bees beke beko beks beo- beok beor beos bere berk bero berr bers bes- bese besk beso bess bewe bobb bobe bobo bobs bobw boee boeo boer boes boke boko boks boob booe book boor boos boow bor- bore bork boro borr bors borw bose bosk boso boss bowe bowk bowr bows breb bree brek breo brer bres brew brkb brob broe brok broo bror bros brow brrr brrs brsb brsr brwe bseb bsee bser bses bsos bsse ebbo ebbr ebbs ebbw eber ebes eboe eboo ebor ebos ebow ebro eeee eees eeke eeks eero eers eese eesk ekeb ekek eker ekes ekos ekwe eoes eore eows erbb erbe ereb erer eres erew erke erks erob eroe eroo eros erre erro errs erse erso erws esbo esbs esee esek eseo eser eses eske esko esks eso- esok esos esse esso esws ewer ewes ewew ewok ewos ewre k-os kbbb kbbe kbbk kbbo kbbr kbbs kbbw kbeb kbee kbek kbeo kber kbes kbew kbkb kbkk kbko kbkr kbkw kbob kboe kbok kboo kbos kbow kbrb kbre kbrk kbro kbrw kbsb kbsk kbso kbsr kbss kbsw kbwb kbww kebb kebe kebr keek keer kees kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kesb kesk keso kesr kess kesw kewb kewe kewr kews kkbb kkbe kkbo kkbr kkbs kkkk kkob kkoo kkor kkow kkrb kkre kkrk kkro kkrr kkrs kkse kksr kkss kksw kkwb kkwe kkwk kkws 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 kowb kowe kowr krbb krbe krbk krbr krbw kreb kree krek kreo kres krew krke krkk krko krkr krks krkw krob kroe krok kroo kror kros krow krrb krre krrk krro krrr krrs krrw krse krsk krsr krss krsw krwb krwk krwr ksbr ksbs ksbw ksee ksek kseo kser ksew kskb kske kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksow ksrb ksro ksrr ksrs ksrw ksse ksso kssr ksss kswb kswo ksws ksww kwbe kwbw kweb kwee kwes kwkb kwkk kwkr kwkw kwok kwor kwos kwow kwrb kwre kwrk kwro kwrr kwrs kwrw kwsk kwso kwss kwsw kwwk kwwr kwws 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 orwe orwo osbe osee osek oser oses osoo osor osos osow osro ossb osse osso ower owes owoe owow owre owse rbbb rbbr rbbs rbss rebb rebe rebk rebo rebs reeb reek rees reke reko reks reos rere rero rers rese reso ress rewe rews rkos rkss rob- robb robe robo robs roer roes roke rokk roko rokr roks roob rook roor roos rore rork roro rose roso ross rowb rowe rowk rowr rows roww rrrr rsee rsos rsre s-os sbbs sber sbor sbrk sbse sbwr se-e se-k se-o se-s se-w sebe sebo sebs seeb seek seer sees seew seke sekk seko seok seow serb sere serk sero serr sers sese seso sess sewe sewr sews skee skeo sker skes skew skoe skor skow skss skwe skws sobe sobo sobr sobs soeo soes soke sokk soko sook soor soos sorb sore soro sorr sors sose soso soss sowe sowk sowr sows sreb sreo sres sros ssbr ssee sses ssrs sssb ssss ssws swbs swbw sweb swee swer swob swoe swoo swor swow swre swss wbbb wbbe wbbk wbbo wbbr wbbs wbbw wbeb wbek wber wbes wbew wbkb wbke wbkk wbko wbkr wbks wbkw wbob wbok wbor wbos wbow wbrb wbrk wbrr wbrs wbrw wbsb wbsr wbss wbsw wbwb wbwo webb webe webo webs weeb week weeo weer wees wekb weke weko wekr weks wekw weok weos weow wer- werb were werk wero werr wers werw wesb wese weso wesr wess wewe wewo wkbe wkbk wkbo wkbw wkeb wkes wkew wkkb wkko wkkr wkks wkkw wkok wkoo wkor wkos wkow wkrb wkre wkrk wkro wkrr wkrs wksb wkse wksk wkso wksr wkss wksw wkws wobb wobe wobo woer woes wokb woke wokk woko wokr woks wokw woob wook woos woow worb wore work woro worr wors worw wose woso woss wosw wowb wowe wowo wows woww wrbb wrbe wrbk wrbo wrbs wrbw wreb wree wrek wrer wrew wrkb wrkk wrko wrkr wrks wrkw wrob wrok wroo wros wrow wrrb wrre wrrk wrro wrrs wrrw wrsb wrse wrso wrsr wrss wrsw wrwb wrwr wsbb wsbk wsbr wsbs wsbw wseb wsek wseo wses wsew wskb wske wskk wsko wskr wskw wsob wsoe wsok wsoo wsor wsos wsrb wsre wsrk wsro wsrs wsrw wssr wsss wssw wswb wswr wsws wsww wwbb wwbr wweb wweo wwer wwkb wwkr wwks wwor wwos wwow wwrb wwre wwrk wwrr wwrw wwsb wwse wwsk wwsr wwss wwwe wwwk wwwr wwws wwww