cccc cccl cccp cccs cccu cclc ccls ccpl ccpp ccps ccsl ccsp ccss ccuc ccup ccus ckck ckcl ckcs ckpc cksl clpp clsc cpcs cpcu cplc cpls cpps cpsc cpsk cpsl cpsu cpus cscc cscl cscs csks cslp cslu cspc csps csup csus cucc cuck cuk- culc culk cull culp culs cupl cupp cups cusk cusp cuss cusu kccc kcck kccl kccu kckc kckk kckl kclc kclk kcll kcls kclu kcpc kcpl kcps kcpu kcsc kcsp kcss kcsu kcuk kcul kcup kkck kkcl kkcs kkkk kklc kkll kkls kkpc kkpk kkpl kkps kksp kkss kksu kkup kkus kkuu klcc klck klcl klcs klkc klkk klkl klks kllc kllk kllp klls klpc klsc klsu kluk klup kluu kpcc kpcl kpcs kpkk kpkl kplc kplk kplu kppc kppk kppl kppp kpsc kpsp kpsu kpul kpus ksck kscl kscs kscu kskk ksks ksku kslc kslk ksll kslu kspc kspk kspl ksps kssl ksss kssu ksup ksuu kucc kucp kukk kukl kuks kuku kull kulp kulu kupl kups kupu kusc kusp kusu kuuk kuul kuuu lccc lccs lcls lcpc lcpl lcps lcsc lcsp llcc llcs llks lllc llll llps lppl lpsc lpss lscs lspl lssp luck lucs lull lulu lupu lusk luss luuk luup pccc pccl pccs pcks pclk pcll pcpp pcps pkcs plcc plkk plpp plss pluk plup plus ppcc ppcs pppp ppps ppss pscu pspp psps pssc puck puku pulk pull pulp puls pulu pupl pups pupu pusk puss puuc sccc sccl sccp sccs sck- sckl scl- sclc sclk scls scpl scps scsc scsl scsu scul scup skpc skss skul skup slcc slcu sllp slpp slps slsc slsu sluc slup spcc spcs spkl splc splp spls spps spsp spss spus sscc sscp sscs sslc sslp sspc sspl ssps sssc ssss suc- succ suck sucs suks suku sul- sulc sulk sull sulp sulu sup- supp sups sus- susk susp suss susu suus uccp ucsc ucsu ukcc ukps uksc ukup ulcc uluk ulul ulus upcs uppc uppp uppu upsc upup us-k uscc uscs uslp uslu uspc uspp usps ussc usss ussu usul usus uucp uulu uuuu