cccc cccl cccp cccs cclc ccls ccoc ccpl ccpp ccps ccsl ccsp ccss ckck ckcl ckco ckcs ckoc ckoo ckos ckpc cksl ckso clok cloo clop clos clpp clsc cock coco cocp cok- coko col- colk coll colo colp cols cook cool coop coos copo copp cops cosc cosl coso cosp coss cpcs cplc cpls cpos cpps cpsc cpsk cpsl cpso cscc cscl csco cscs csks cslp csos cspc csps k-lo k-os kccc kcck kccl kckc kckk kckl kcko kclc kclk kcll kcls kcol kcos kcpc kcpl kcpo kcps kcsc kcsp kcss kkck kkcl kkco kkcs kkkk kklc kkll kklo kkls kkol kkoo kkpc kkpk kkpl kkps kksp kkss klcc klck klcl klcs klkc klkk klkl klko klks kllc kllk kllp klls kloc klok klol kloo klop klos klpc klsc kock kocp kocs kokc kokk koko kokp koks kolc kolk koll kolo kols kooc kook kool kooo koop koos kopp kops kos- kosc koso kosp koss kpcc kpcl kpcs kpkk kpkl kplc kplk kplo kpoc kpok kpol kpoo kpop kppc kppk kppl kppo kppp kpsc kpso kpsp ksck kscl ksco kscs kskk ksko ksks kslc kslk ksll kslo ksoc ksok ksol ksoo ksop ksos kspc kspk kspl kspo ksps kssl ksso ksss lccc lccs lcls lcpc lcpl lcps lcsc lcsp llcc llcs llks lllc llll lloc lloo llps locc lock loco locs lokk loko loll lolo lols looc look lool loop loos lopp lops losc loso losp loss lppl lpsc lpss lsco lscs lspl lsso lssp occc ocks oclc ocos ocpp okko oklo okok okol okpo okso olcc ollo olos olpc oolo oooo ooos oops opls opo- opos oppo opps oscc oscl osco oslo osoo osos osso pccc pccl pccs pcks pclk pcll pclo pcos pcpp pcps pcso pkcs plcc plkk ploc plok ploo plop plos plpp plss pock poco pocs poko polk poll polo pols pook pool poop poos pop- popc popo popp pops posk poso poss ppcc ppcs pplo ppos pppo pppp ppps ppss psco psoc psol psos pspp psps pssc psso s-os sccc sccl sccp sccs sck- sckl scl- sclc sclk scls scok scol scoo scop scpl scpo scps scsc scsl scso skol skop skpc skpo skss slcc sllp sloc sloo slop slos slpp slps slsc sock socl soco socs sokk soko solk soll solo solp sols sook sool soop soos sopo sopp sops soso soss spcc spco spcs spkl splc splo splp spls spoc spok spoo spop spos spps spso spsp spss sscc sscp sscs sslc sslp ssoc ssop sspc sspl sspo ssps sssc ssss