-ose bbbb bbbs bbci bbeb bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcie bcis bcor bcos bcrs bcsc bcss bebb bebe bebi bebo beci beck becs beeb beek beer bees beic beik beir beis beke beki beko beks beo- beok beor beos berc bere beri berk bero berr bers bes- bese besk beso bess bibb bibe bibi bibo bibs bicc bice bici bick bico bics bieb bier bies biis bike biko bio- bioc bioi bios birb bire biri birk biro birr birs bis- bisc bise bisk biso biss bobb bobe bobi bobo bobs boce bock boco bocs boec boee boeo boer boes boi- boie boii bois boke boki boko boks boob booc booe book boor boos bor- bore bori bork boro borr bors bosc bose bosi bosk boso boss brcb brce breb brec bree brei brek breo brer bres bric brie brik brio bris brkb brob broc broe brok broo bror bros brrr brrs brsb brsr bsci bscs bseb bsec bsee bser bses bsic bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbir cbko cbkr cbre cbsc cbse cbsi ccbc cccb cccc ccci cccs ccee ccic ccii ccir ccis ccob ccoc ccrc ccre ccri ccrs ccsi ccss cebs cec- cece ceci ceco cecs ceeb ceec cees ceke ceor ceos cer- cerc cere ceri cero cers cesc cese cesi cesr cess cibc cibe cibi cibo cicc cici cico cicr cics ciee cier cies ciii ciis ciko cikr ciob cior cios cirb circ cire ciri cirk ciro cirr cirs cis- cisc cise cisk cisr ciss ckbc ckbe ckbi ckck ckco ckcs cker ckob ckoc ckoi ckoo ckor ckos ckrc cksb ckso cobb cobe cobi cobo cobs coce cock coco coes coir cois cok- coke coko coob cook coos cor- corb corc core cori cork coro corr cors cosc cose cosi coso coss crbc crcc crce crcr cre- creb crec cree crei creo cres crib cric crie crik cris crkc crob croc croe crok croo cror crss cscb cscc csce csci csco cscr cscs csec csee cser csib csik csio csir csis csks csob csor csos csrc csrs csse cssr ebbc ebbo ebbr ebbs ebcc eber ebes ebic ebis eboe eboo ebor ebos ebro ecbc ecbe eccb eccc ecce ecci ecco eces ecib ecis ecko ecks eco- ecos ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eeke eeks eeoc eerc eero eers eese eesi eesk eick eico eics eiec eiei eier eies eike eiki eiko eiks eire eirs eise eisk eiso eiss ekco ekeb ekek eker ekes ekis ekki ekoi ekos eksi eoes eoir eois eore eori erbb erbe ercc erce ereb erec erei erer eres eric erie erik erio eris erke erki erks erob eroc eroe eroi eroo eros errc erre erro errs erse ersi erso esbo esbs escb esce esci esco escr escs esee esek eseo eser eses esie esik esis eske esko esks eso- esok esos esri esse essi esso i-be ibcs ibec ibes ibie ibis ibos ibrc ibri ibro ibss icbc icbs iccb iccc icci icco iccr iccs icec icee icer ices icis icke icks icoc icor icos icrc icre icrr icrs icsb icsc icse icsi icsr icss iecc ieie ieio iere ieri iers iesc iesi ieso iesr iies iiie iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr ikee iker ikes ikki ikko ikoo ikri iobi ioci ioee ioii ioio ioke ioko iooi iooo ioos iore iori iors ioso irbe ircc ircs iree irer ires iri- iric irie irio iris irki irks irob iroc irrc irre irri irrs irse isbe iscc isci isco iscr iscs iseb isec isee iseo iser ises isic isie isis isko iso- isoc isok isor isos isri issc isse issi isso issr isss k-ci k-os kbbb kbbc kbbe kbbi kbbk kbbo kbbr kbbs kbcb kbce kbci kbck kbco kbcr kbcs kbeb kbec kbee kbek kbeo kber kbes kbib kbic kbie kbik kbio kbis kbkb kbkk kbko kbkr kbob kboc kboe kboi kbok kboo kbos kbrb kbrc kbre kbri kbrk kbro kbsb kbsi kbsk kbso kbsr kbss kcbc kcbi kcbk kcbr kcbs kccb kccc kcci kcck kccr kceb kcec kcee kcei kceo kcic kcie kcii kcir kcis kckc kckk kcko kckr kcob kcoe kcor kcos kcrc kcri kcro kcrr kcrs kcsb kcsc kcse kcsi kcsr kcss kebb kebc kebe kebi kebr keck keco kecr keek keer kees keib keii keik keio keir keis kekb kekc keke keki keko keks keok keos ker- kerb kerc kere keri kerk kero kerr kers kesb kesc kesi kesk keso kesr kess kibb kibc kibe kibi kibo kibr kibs kicb kicc kice kick kicr kics kier kies kiic kiii kiik kiis kikc kiki kikk kiko kikr kioc kioe kioi kiok kioo kirb kirc kiri kirk kiro kirr kirs kisc kise kisi kisk kiso kisr kiss kkbb kkbe kkbi kkbo kkbr kkbs kkcb kkci kkck kkco kkcr kkcs kkic kkik kkkk kkob kkoo kkor kkrb kkrc kkre kkrk kkro kkrr kkrs kkse kksi kksr kkss kobb kobc kobe kobi kobk kobo kobr kobs kocb koci kock kocs koei koes koii koir kokb kokc koke koki kokk koko kokr koks koob kooc kooi kook kooo koor koos korb korc kore kori kork koro korr kors kos- kosb kosc kose kosi koso kosr koss krbb krbe krbi krbk krbr krcb krcc krce krci krco krcs kreb krec kree krei krek kreo kres krib krik krio kris krkc krke krki krkk krko krkr krks krob kroc kroe kroi krok kroo kror kros krrb krrc krre krri krrk krro krrr krrs krsc krse krsk krsr krss ksbc ksbi ksbr ksbs kscb ksce ksci ksck ksco kscr kscs ksec ksee ksei ksek kseo kser ksib ksii ksik ksir ksis kskb kske kskk ksko kskr ksks ksob ksoc ksoi ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksse kssi ksso kssr ksss o-eo obbo obec ober obes obie obis obkb oboe oboi obok obor obos obre obri obro obsr obss ocbc occc occi oce ocee ocis ocke ocks ocos ocre ocro ocrr ocrs oec- oecc oeec oere