bbbb bbbs bbci bbeb bbfc bcbc bcbs bccc bcci bccs bcec bces bcfc bcie bcis bcsc bcss bcuc bebb bebe bebi beci beck becs becu beeb beef beek bees befe beff beic beik beis beke beki beks bes- bese besk bess beuk bevs bfcs bffs bfsi bibb bibe bibi bibs bicc bice bici bick bics bieb bief bies bieu biff bifi biis bike biku bis- bisc bise bisk biss bisu bive bivi bsci bscs bseb bsec bsee bses bsfc bsff bsfs bsic bssc bsse bubb bube bubi bubs bubu bucc buce buci buck bucs bucu bueu bufc bufe buff buic buie buif buik buis buiu buke buki bukk buku busc buse busi busk buss busu buus buve bvsc cbbc cbbs cbcc cbce cbcs cbcu cbec cbee cbef cbfb cbfc cbsc cbse cbsi cbus cbvb cbve cbvf ccbc cccb cccc cccf ccci cccs cccu cccv ccee ccfc ccff ccfi ccic ccii ccis cciv ccsf ccsi ccss ccuc ccus ccvi ccvs cebs cebu cec- cece ceci cecs ceeb ceec cees cef- cefc ceke cesc cese cesi cess ceui cfbc cfbs cfbv cfcb cfcf cfcs cffb cfse cfsi cibc cibe cibi cicc cici cics cicu ciee cies cife ciff cifs ciii ciis cis- cisc cise cisk ciss cisv ciuc cius civc cive ckbc ckbe ckbi ckck ckcs ckcv ckfi cksb csbf cscb cscc csce cscf csci cscs csec csee csfc csib csik csis csks csse csuf csus cub- cubb cube cubi cubs cucc cuce cuci cuck cuek cues cufc cuff cufi cui- cuif cuis cuk- cuke cusb cusk cuss cusu cuve cvbs cvcc cvii cvss ebbc ebbs ebcc ebes ebfc ebic ebis ebus ecbc ecbe eccb eccc ecce ecci ecef eces ecfc ecfs ecib ecis ecks ecsc ecse ecss ecsu ecus eecs eeee eees eefe eeke eeks eese eesi eesk efes effi effs efic efik efke efsi eick eics eiec eiei eies eifs eike eiki eiks eise eisk eiss ekeb ekek ekes ekfc ekis ekki eksi esbs escb esce esci escs escu esee esek eses esfs esie esik esis eske esks esku esse essi essu esuf esui esus eubc eubi eufc eufi euse eves evie evsc evvk f--k fbis fbus fcbs fccf fces fcic fcii fcsc fcuk febs fece feck feeb feek fees fefc fefe feff fefi feie feis feke fese fess feus feve ffcc ffee ffff ffii ffss ffvs fibe fibs ficc fice fick fics fiec fief fies fifc fife fiff fifi fiii fike fiki fisc fise fisi fisk fiss fisu fiuk fivb five fscb fscc fsck fsec fsfi fssc fssf fubb fubs fubu fuc- fuci fuck fufc fuff fufu fuke fukk fuku fusc fuse fusi fusk fuss fusu fvsu i-be ibcs ibec ibes ibfi ibie ibis ibsf ibss ibus icbc icbs iccb iccc iccf icci iccs iccu icec icee icef ices icfb icis icke icks icsb icsc icse icsi icss icub icue icus iecc ieie iesc iesi iesu ifbb ifes ific ifis ifsb ifsc iies iiie iiii iiis iisc iisi iisu iiuc ikee ikes ikki iksu ikue isbe iscc isci iscs iscu iseb isec isee ises isfc isic isie isis iskf isku issc isse issf issi isss issu isus iucc iuce iucv iuef iuiu iuse iuss ivbv ivcf ivec ives ivic ivie ivue k-ci kbbb kbbc kbbe kbbf kbbi kbbk kbbs kbbu kbcb kbce kbci kbck kbcs kbcu kbeb kbec kbee kbef kbek kbes kbev kbfb kbfc kbff kbfi kbfk kbfs kbib kbic kbie kbif kbik kbis kbiu kbkb kbkf kbkk kbkv kbsb kbsi kbsk kbss kbsu kbsv kbub kbuc kbue kbuf kbuk kbus kbuu kbvb kbvc kbvu kcbc kcbf kcbi kcbk kcbs kcbu kccb kccc kcci kcck kccu kccv kceb kcec kcee kcei kceu kcfb kcfc kcfi kcfv kcic kcie kcif kcii kcis kciu kciv kckc kckf kckk kckv kcsb kcsc kcse kcsf kcsi kcss kcsu kcub kcue kcuf kcui kcuk kcvi kcvk kcvs kcvu kcvv kebb kebc kebe kebi kebu keck keef keek kees kefb kefc keff kefs keib keif keii keik keis kekb kekc keke keki keks keku kesb kesc kesi kesk kess keus keve kevi kevs kfbc kfbk kfcf kfcs kfeb kffb kfff kffk kffv kfis kfiv kfkb kfse kfsi kfsk kfve kfvs kibb kibc kibe kibi kibs kibu kicb kicc kice kick kics kief kies kieu kiev kife kiff kifs kifu kiic kiii kiik kiis kiiu kikc kikf kiki kikk kiku kisc kise kisf kisi kisk kiss kisu kisv kiuu kive kivi kivu kkbb kkbe kkbi kkbs kkcb kkci kkck kkcs kkfi kkfs kkic kkik kkkk kkse kksf kksi kkss kksu kkus kkuu kkvu kkvv ksbc ksbi ksbs ksbv kscb ksce ksci ksck kscs kscu kscv ksec ksee ksei ksek ksev ksfb ksfc ksfe ksfi ksib ksif ksii ksik ksis ksiv kskb kske kskf kskk ksks ksku ksse kssi ksss kssu ksub ksue ksui ksuu ksvc ksve ksvi ksvu kubb kubc kube kubs kubu kucb kucc kuce kuci kucv kuei kuek kues kueu kufc kuff kufi kuic kuie kuik kuke kuki kukk kuks kuku kusb kusc kusf kusu kuub kuuk kuuu kuvi kvbc kvcb kvcc kvce kvcf kvci kvck kvcs kvcu kvcv kvec kves kvfc kvic kvie kvik kvis kviv kvsc kvsf kvsi kvss kvsv kvue kvui kvuu kvvf kvvs kvvv s-ib s-ic s-ii s-iv sbbs sbcc sbcs sbef sbfc sbic sbse sbsi sbus scbi sccc scce sccs scec scee scfc scfe scfi sci- scic scie scif scis sciv sck- scsc scsi scsu scub se-c se-e se-f se-i se-k se-s se-u sebe sebi sebs sec- secc sece seck secs secu secv seeb seec seef seek sees seeu seff sefi seie seif seii seik seis seiu seke seki sekk seku sesc sese sesi sess seui seve sevi sfbc sfcc sfcs sffc sfss sfsu sibc sibe sibi sibs sibu sicc sice sici sick sics sicu siec sief siek sies sife siff sifu siik sike siki siks siku sisc sise sisi sisk siss sisu siue siui sius sive sivi skee skei skes skfc skic skie skif skik skis skiu skiv skss skue skui sscc ssce ssci sscs ssec ssee sses ssfc ssis sssb sssc sssf sssi ssss sub- subb