bbbb bbci bblb bcbc bccc bcci bccl bcuc bibb bibi bibl bibo bicc bici bick bico biko biku bili bilk bill bilo bilu bio- bioc bioi biol biou blcu blic blik blio blkb blob bloc blok bloo blou blub bobb bobi bobo bobu bock boco bocu boi- boii boil boiu boki boko boku boli bolk boll bolo bolu boob booc book bool bouk boul bubb bubi bubo bubu bucc buci buck buco bucu buic buik buiu buki bukk buko buku bulb buli bulk bull bulu buol c-bo cbbc cbcc cbcl cbcu cbkl cbko cblb cblc cbol ccbc cccb cccc ccci cccl cccu ccic ccii ccil cclc ccli ccob ccoc ccuc cibc cibi cibo cicc cici cico cicu ciii ciko cili cilk cill cilo ciob ciuc ckbc ckbi ckck ckcl ckco ckob ckoc ckoi ckoo clib clic clii clik clio clob clok cloo clou club cobb cobi cobo cobu cock coco cocu coil cok- coko col- colb coli colk coll colo colu coob cook cool coub couk coul cub- cubb cubi cucc cuci cuck cui- cuil cuk- culb culc culk cull culo icbc iccb iccc icci iccl icco iccu icll icoc icub iiii iiio iioi iioo iiuc ikki ikko ikoo ikuo ilbc ilic ilio ilki ilku ill- illi illo iloc ilok iloo iobi ioci ioii ioio ioko iolo iooi iooo iucc iuiu k-ci k-lo kbbb kbbc kbbi kbbk kbbl kbbo kbbu kbcb kbci kbck kbcl kbco kbcu kbib kbic kbik kbil kbio kbiu kbkb kbkk kbkl kbko kblb kbll kblo kblu kbob kboc kboi kbok kboo kbub kbuc kbuk kbul kbuu kcbc kcbi kcbk kcbl kcbu kccb kccc kcci kcck kccl kccu kcic kcii kcil kciu kckc kckk kckl kcko kclc kcli kclk kcll kclu kcob kcol kcou kcub kcui kcuk kcul kibb kibc kibi kibl kibo kibu kicb kicc kick kicl kiic kiii kiik kiiu kikc kiki kikk kiko kiku kilb kili kilk kill kilo kioc kioi kiok kiol kioo kiou kiul kiuu kkbb kkbi kkbl kkbo kkcb kkci kkck kkcl kkco kkic kkik kkkk kklb kklc kkli kkll kklo kkob kkol kkoo kkuu klbb klbc klbl klbu klcb klcc klci klck klcl klib klic klik klil klio kliu klkc klkk klkl klko kllb kllc kllk klob kloc klok klol kloo klou klub kluk kluu kobb kobc kobi kobk kobo kobu kocb koci kock koii koil kokb kokc koki kokk koko koku kolb kolc koli kolk koll kolo kolu koob kooc kooi kook kool kooo koou koub koui koul kouu kubb kubc kubo kubu kucb kucc kuci kuco kuic kuik kuil kuki kukk kukl kuku kulb kuli kull kulo kulu kuok kuol kuoo kuub kuuk kuul kuuu lbcc lcbc lccc libc libo libu lick lico liii liko liku lilb lili lill lilo lilu lio- llcc lllc llll lloc lloo lob- lobb lobi lobo locc loci lock loco locu loic loik loiu loki lokk loko loli loll lolo loob looc look lool loui louk loul louu luci luck luik luki luko luli lull lulu luuk obbo obkb oblu oboi obok obol ocbc occc occi oclc ocul oici oick oiii oiko okcu okic okko oklo okok okol okul olbo olcc olib olic olio olki olli ollo oobi ooku oolo oooo oucc ouii oulk oulu ouu- ubbi ubbo ubic ubii ubik ubli ublo uboc ucbc ucci ucil ucio ukcc ukko ukok ulbc ulcc ulco ulic ulik ulli ullo ulo- uloc uluk ulul uocc uolc uulu uuoc uuuu