-ous bbbb bbbs bblb bbls bcbc bcbs bccc bccl bccs bcos bcsc bcsl bcss bcuc blcu blkb blls blob bloc blok bloo blou blss blub blus bobb bobo bobs bobu bock boco bocs bocu boko boks boku bolk boll bolo bols bolu boob booc book bool boos bosc bosk boso boss bosu bouk boul bous bscs bslc bsos bssc bubb bubo bubs bubu bucc buck buco bucs bucu bukk buko buku bulb bulk bull buls bulu buol busc busk buss busu buus c-bo cbbc cbbs cbcc cbcl cbcs cbcu cbkl cbko cblb cblc cbol cbsc cbus ccbc cccb cccc cccl cccs cccu cclc ccls ccob ccoc ccsl ccss ccuc ccus ckbc ckck ckcl ckco ckcs ckob ckoc ckoo ckos cksb cksl ckso clob clok cloo clos clou clsc club cobb cobo cobs cobu cock coco cocu cok- coko col- colb colk coll colo cols colu coob cook cool coos cosc cosl coso coss coub couk coul cous cscb cscc cscl csco cscs csks cslu csob csos csus cub- cubb cubs cucc cuck cuk- culb culc culk cull culo culs cusb cusk cuso cuss cusu k-lo k-os kbbb kbbc kbbk kbbl kbbo kbbs kbbu kbcb kbck kbcl kbco kbcs kbcu kbkb kbkk kbkl kbko kblb kbll kblo kbls kblu kbob kboc kbok kboo kbos kbsb kbsk kbso kbss kbsu kbub kbuc kbuk kbul kbus kbuu kcbc kcbk kcbl kcbs kcbu kccb kccc kcck kccl kccu kckc kckk kckl kcko kclc kclk kcll kcls kclu kcob kcol kcos kcou kcsb kcsc kcss kcsu kcub kcuk kcul kkbb kkbl kkbo kkbs kkcb kkck kkcl kkco kkcs kkkk kklb kklc kkll kklo kkls kkob kkol kkoo kkss kksu kkus kkuu klbb klbc klbl klbs klbu klcb klcc klck klcl klcs klkc klkk klkl klko klks kllb kllc kllk klls klob kloc klok klol kloo klos klou klsc klsu klub kluk kluu kobb kobc kobk kobo kobs kobu kocb kock kocs kokb kokc kokk koko koks koku kolb kolc kolk koll kolo kols kolu koob kooc kook kool kooo koos koou kos- kosb kosc koso koss kosu koub koul kous kouu ksbc ksbl ksbs kscb ksck kscl ksco kscs kscu kskb kskk ksko ksks ksku kslb kslc kslk ksll kslo kslu ksob ksoc ksok ksol ksoo ksos ksou kssl ksso ksss kssu ksub ksuu kubb kubc kubo kubs kubu kucb kucc kuco kukk kukl kuks kuku kulb kull kulo kulu kuok kuol kuoo kuos kusb kusc kuso kusu kuub kuuk kuul kuuu lbcc lbos lbsc lcbc lccc lccs lcls lcsc llbs llcc llcs llks lllc llll lloc lloo lob- lobb lobo lobs locc lock loco locs locu lokk loko loll lolo lols loob looc look lool loos losc loso loss louk loul lous louu lsbu lscb lsco lscs lsso lubs luck lucs luko lull lulu lusk luso luss luuk obbo obkb obls oblu obok obol obos obss obus ocbc occc ocks oclc ocos ocul okcu okko oklo okok okol okso okul okus olbo olcc ollo olos ooku oolo oooo ooos oous oscc oscl osco osku oslo osoo osos ossb osso ossu osul oubs oucc oulk ouls oulu ouu- s-os sbbs sbcc sbcs sbus sccc sccl sccs sck- sckl scl- sclc sclk scls scob scok scol scoo scsc scsl scso scsu scub scul skol skss skul slcc slcu slob sloc sloo slos slsc slsu slub sluc sobo sobs sobu sock socl soco socs sokk soko soku solk soll solo sols sook sool soos soso soss souk soul sous sscc sscs sslc ssoc sssb sssc ssss sub- subb subl subo subs suc- succ suck sucs suks suku sul- sulc sulk sull sulo sulu suos sus- susk suso suss susu suus ubbo ublo ubls uboc ubos ucbc ucos ucsb ucsc ucsu ukcc ukko ukok uksc ulbc ulcc ulco ullo ulo- uloc ulos uluk ulul ulus uocc uolc us-k usbc usbl usbs uscc usco uscs uslu usoc usos ussb ussc usss ussu usul usus uulu uuoc uuuu