cccc cccl cccs cclc ccls ccoc ccsl ccss ccst cctc cctl cctt ckck ckcl ckco ckcs ckoc ckoo ckos ckot cksl ckso ckst ckts clok cloo clos clot clsc cltc clts cock coco coct cok- coko col- colk coll colo cols colt cook cool coos coot cosc cosl coso coss cost cotc coto cots cott cscc cscl csco cscs csks csos csot cstc csto csts ctls ctol ctos ctot ctsc ctss ctts k-lo k-os kccc kcck kccl kcct kckc kckk kckl kcko kclc kclk kcll kcls kclt kcol kcos kcot kcsc kcss kcst kctc kcto kkck kkcl kkco kkcs kkct kkkk kklc kkll kklo kkls kkol kkoo kkot kkss kkst kktc kktk kktl kkts klcc klck klcl klcs klkc klkk klkl klko klks kllc kllk klls kloc klok klol kloo klos klsc klst kltc kltk klto kltt kock kocs koct kokc kokk koko koks kolc kolk koll kolo kols kolt kooc kook kool kooo koos koot kos- kosc koso koss kost kotc kotk koto kots kott ksck kscl ksco kscs kskk ksko ksks kslc kslk ksll kslo kslt ksoc ksok ksol ksoo ksos kssl ksso ksss ksst kstc kstk kstl ksto ksts kstt ktcc ktck ktcl ktco ktcs ktkc ktkk ktko ktks ktkt ktlk ktlo ktlt ktoc ktok ktoo ktot ktsc ktsl ktso ktst kttc kttk ktto ktts kttt lccc lccs lcls lcsc lctl lcto lcts llcc llcs llks lllc llll lloc lloo locc lock loco locs lokk loko loll lolo lols looc look lool loos loot losc loso loss lost lotl loto lots lott lsco lscs lsso lsts ltcc ltcs lttc occc occt ocks oclc ocos oct- octo octs okko oklo okok okol okot okso okto olcc ollo olos olot olst oolo oooo ooos oost oots oscc oscl osco oslo osoo osos osso ostc osts otcl oto- otok otoo otos otso otto otts s-os sccc sccl sccs scct sck- sckl scl- sclc sclk scls scok scol scoo scot scsc scsl scso scst sctc sctl scto scts skol skot skss slcc sloc sloo slos slot slsc slst slts sock socl soco socs sokk soko solk soll solo sols solt sook sool soos soot soso soss sost sotc sotk sotl soto sots sscc sscs sslc sslt ssoc ssot sssc ssss sstc sstl ssts stcc stcs stks stlc stlo stlt stok stol stoo stos stot stss sttc tccc tcos tctc tcts tkol tkos tkts tlco tlos tock toco toko tol- tolk toll tolo tolt took tool toos toot tosc tosk toso toss tost totc toto tots tott tscc tsks tsol tsos tsst tstc tsts ttss tttt