bbbb bbbs bbch bbhs bblb bbls bcbc bcbs bccc bccl bccs bchs bcos bcsc bcsl bcss bhcc bhhs bkhs blhs blkb blls blob bloc blok bloo blss bobb bobo bobs boch bock boco bocs bohl boho bohs boko boks bolk boll bolo bols boob booc booh book bool boos bosc bosh bosk boso boss bscs bshs bslc bsos bssc c-bo cbbc cbbs cbcc cbcl cbcs cbhl cbhs cbkl cbko cblb cblc cbol cbsc ccbc cccb cccc cccl cccs cchl cchs cclc ccls ccob ccoc ccsl ccss chch chcs chhs chkb chks chlc choc choh chok chol choo chos chsc chsh ckbc ckch ckck ckcl ckco ckcs ckhs ckob ckoc ckoo ckos cksb cksh cksl ckso clhs clob clok cloo clos clsc cobb cobh cobo cobs coch cock coco coho cohs cok- coko col- colb colk coll colo cols coob cooh cook cool coos cosc cosh cosl coso coss cscb cscc csch cscl csco cscs cshl cshs csks csob csos hbbs hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hhcl hhhh hhhs hkcc hkcl hkcs hlhs hlss hobo hobs hoch hock hocs hohl hoho hoko hoks hol- holb holc holh holk holl holo hols hook hool hoos hosh hoss hsbc hscc hshs hsls hsob k-lo k-os kbbb kbbc kbbk kbbl kbbo kbbs kbcb kbch kbck kbcl kbco kbcs kbhb kbhc kbhh kbhl kbhs kbkb kbkk kbkl kbko kblb kbll kblo kbls kbob kboc kbok kboo kbos kbsb kbsk kbso kbss kcbc kcbk kcbl kcbs kccb kccc kcck kccl kchh kchk kchl kcho kchs kckc kckk kckl kcko kclc kclh kclk kcll kcls kcob kcoh kcol kcos kcsb kcsc kcss khbc khbs khcb khcc khch khck khcs khhk khhl khho khhs khkk khks khlc khll khlo khls khob khoc khok khol khsl khss kkbb kkbl kkbo kkbs kkcb kkch kkck kkcl kkco kkcs kkhb kkhh kkhk kkkk kklb kklc kklh kkll kklo kkls kkob kkoh kkol kkoo kkss klbb klbc klbl klbs klcb klcc klch klck klcl klcs klhb klhc klkc klkk klkl klko klks kllb kllc kllk klls klob kloc kloh klok klol kloo klos klsc kobb kobc kobk kobo kobs kocb koch kock kocs kohh kohl koho kohs kokb kokc kokh kokk koko koks kolb kolc kolk koll kolo kols koob kooc kook kool kooo koos kos- kosb kosc kosh koso koss ksbc ksbh ksbl ksbs kscb ksch ksck kscl ksco kscs kshb kshk kshl ksho kshs kskb kskk ksko ksks kslb kslc kslk ksll kslo ksob ksoc ksok ksol ksoo ksos kssl ksso ksss lbcc lbhs lbos lbsc lcbc lccc lccs lchc lchs lcls lcsc lhbs lhhh lhhs lhss llbs llcc llcs llhs llks lllc llll lloc lloo lob- lobb lobh lobo lobs locc loch lock loco locs loho lohs lokk loko loll lolo lols loob looc look lool loos losc losh loso loss lscb lsco lscs lshs lsoh lsso obbo obhs obkb obls obok obol obos obss ocbc occc ochs ocks oclc ocos ohcc ohho ohhs ohob ohoh ohok ohos ohso ohss okko oklo okok okol okso olbo olcc ollo olos olsh ooho oohs oolo oooh oooo ooos oscc oscl osco oshc osho oshs oslo osoo osos ossb osso s-os sbbs sbcc sbcs sbhc sbhk sbhs sccc sccl sccs sch- schh schl scho schs sck- sckl scl- sclc sclk scls scob scoh scok scol scoo scsc scsh scsl scso shbs shcc shhh shhs shl- shls shok shoo shos shsc skhs skol skss slcc slhs slob sloc sloh sloo slos slsc sobo sobs soch sock socl soco socs sohh sohl soho sohs sokk soko solh solk soll solo sols sook sool soos sosh soso soss sscc sscs sshl sshs sslc ssoc sssb sssc sssh ssss