cccc cccl cccs cchl cchs cclc ccls ccoc ccsl ccss chch chcs chhs chks chlc choc choh chok chol choo chos chsc chsh ckch ckck ckcl ckco ckcs ckhs ckoc ckoo ckos cksh cksl ckso clhs clok cloo clos clsc coch cock coco coho cohs cok- coko col- colk coll colo cols cooh cook cool coos cosc cosh cosl coso coss cscc csch cscl csco cscs cshl cshs csks csos hccc hcch hccs hchs hcsc hcso hcss hhcl hhhh hhhs hkcc hkcl hkcs hlhs hlss hoch hock hocs hohl hoho hoko hoks hol- holc holh holk holl holo hols hook hool hoos hosh hoss hscc hshs hsls k-lo k-os kccc kcck kccl kchh kchk kchl kcho kchs kckc kckk kckl kcko kclc kclh kclk kcll kcls kcoh kcol kcos kcsc kcss khcc khch khck khcs khhk khhl khho khhs khkk khks khlc khll khlo khls khoc khok khol khsl khss kkch kkck kkcl kkco kkcs kkhh kkhk kkkk kklc kklh kkll kklo kkls kkoh kkol kkoo kkss klcc klch klck klcl klcs klhc klkc klkk klkl klko klks kllc kllk klls kloc kloh klok klol kloo klos klsc koch kock kocs kohh kohl koho kohs kokc kokh kokk koko koks kolc kolk koll kolo kols kooc kook kool kooo koos kos- kosc kosh koso koss ksch ksck kscl ksco kscs kshk kshl ksho kshs kskk ksko ksks kslc kslk ksll kslo ksoc ksok ksol ksoo ksos kssl ksso ksss lccc lccs lchc lchs lcls lcsc lhhh lhhs lhss llcc llcs llhs llks lllc llll lloc lloo locc loch lock loco locs loho lohs lokk loko loll lolo lols looc look lool loos losc losh loso loss lsco lscs lshs lsoh lsso occc ochs ocks oclc ocos ohcc ohho ohhs ohoh ohok ohos ohso ohss okko oklo okok okol okso olcc ollo olos olsh ooho oohs oolo oooh oooo ooos oscc oscl osco oshc osho oshs oslo osoo osos osso s-os sccc sccl sccs sch- schh schl scho schs sck- sckl scl- sclc sclk scls scoh scok scol scoo scsc scsh scsl scso shcc shhh shhs shl- shls shok shoo shos shsc skhs skol skss slcc slhs sloc sloh sloo slos slsc 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 sssc sssh ssss