cccc cccl cccp cccs cccu ccee ccel cclc ccls ccpe ccpl ccpp ccpr ccps ccrc ccre ccrl ccrp ccrs ccsl ccsp ccss ccuc ccup ccus cec- cece cecp cecs ceec ceel cees ceke cel- celc cele cell cels cepc cepe cepp cepr ceps cer- cerc cere cerl cerp cers cesc cese cesp cesr cess ckck ckcl ckcs cker ckpc ckpr ckrc cksl clec clee clek clep cler cles cleu clpp clrs clsc clue cpce cpcs cpcu cpep cper cplc cpls cpps cpre cprs cpsc cpsk cpsl cpsr cpsu cpus crcc crce crcr cre- crec cree crep cres creu crkc crkl crkp crls crpc crps crsp crss crue cruk crup crus cscc csce cscl cscr cscs csec csee csep cser csks cslp cslr cslu cspc cspe csps csrc csrs csse cssr csup csur csus cucc cuce cuck cuek cuer cues cuk- cuke culc cule culk cull culp culs cupe cupl cupp cupr cups cure curl curr curs cusk cusp cuss cusu e-cl eccc ecce eccl eces ecks ecpp ecrc ecrl ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eeke eeks eele eels eeps eerc eers eese eesk ekek eker ekes ekpe ekur el-p elce elec elee elek eler eles elke elks elle ells ellu elpe else elsu elue elul elus epcc epec epee eper epes eple epll eppc eppp epps eprp eprs epsc epsp epss epus ercc erce ercp erec erel erer eres erke erks erle erll erpe erps errc erre errs erse eruc erur erus esce escr escs escu esee esek esel eser eses eske esks esku eslp espc espe espp esps esse essl essp essu esus euer eule eur- eurc eure euse kccc kcck kccl kccr kccu kcec kcee kcel kcep kceu kckc kckk kckl kckr kclc kcle kclk kcll kclr kcls kclu kcpc kcpl kcpr kcps kcpu kcrc kcrp kcrr kcrs kcru kcsc kcse kcsp kcsr kcss kcsu kcue kcuk kcul kcup keck kecr keek keel keep keer kees kekc keke kekl keks keku kele kelk kell kelp kelu kep- kepc kepe keps kepu ker- kerc kere kerk kerl kerp kerr kers keru kesc kesk kesp kesr kess keul keup keur keus kkck kkcl kkcr kkcs kkkk kklc kkll kkls kkpc kkpk kkpl kkps kkrc kkre kkrk kkrl kkrr kkrs kkse kksp kksr kkss kksu kkup kkus kkuu klcc klce klck klcl klcr klcs klec klee klek klep kler kles klkc klkk klkl klkr klks kllc klle kllk kllp klls klpc klpr klrc klrk klrr klrs klru klsc klse klsr klsu klue kluk klup klur kluu kpcc kpcl kpcr kpcs kpek kpel kper kpke kpkk kpkl kpkr kplc kplk kplr kplu kppc kppk kppl kppp kppr kprc kpre kprk kprl kprp kprr kprs kpru kpsc kpsp kpsu kpul kpur kpus krcc krce krcl krcs krcu krec kree krek kres kreu krkc krke krkk krkr krks krku krlc krle krpl krpr krps krpu krrc krre krrk krrl krrr krrs krsc krse krsk krsl krsr krss krsu kruc krue kruk krul krup krur ksce ksck kscl kscr kscs kscu ksec ksee ksek ksel ksep kser kske kskk kskr ksks ksku kslc ksle kslk ksll kslr kslu kspc kspe kspk kspl kspr ksps ksrp ksrr ksrs ksse kssl kssr ksss kssu ksue ksup ksuu kucc kuce kucp kucr kuek kuel kues kueu kuke kukk kukl kuks kuku kule kull kulp kulu kupe kupl kupr kups kupu kure kurk kurl kurr kurs kuru kusc kusp kusu kuuk kuul kuur kuuu lccc lcce lccs lcer lces lcls lcpc lcpl lcps lcrl lcrs lcsc lcsp lcsr le-u lece leck leek leel leep leer lees leke lekk leks lele lell lelu lepe lepp leps lerc lere lerk lerp lese lesk less lesu leuc leuk leur lkrs llcc llcs lles lleu llks lllc llll llps lpec lppl lprp lpsc lpss lrcs lrps lrpu lrrc lrrr lrse ls-r lscs lses lspl lspr lsrc lssp lssr luce luck lucs luer lues luke lule lull lulu lupe lupu lure lurk lurs luse lusk luss luuk luup pccc pcce pccl pccs pcep pcer pcks pclk pcll pcpp pcps pcrc pcre pcrl pcse pece peck pecl pecr pecs peec peek peel peep peer pees peke pekk pel- pele pell pels pelu pepe peps per- perc pere perk perl perp perr pers peru pese pess pesu peul peur pkcs pklr plcc plce ple- plec plee plek ples pleu plkk plpp plss plue pluk plup plur plus ppcc ppcs pper pple pppp ppps pprc ppru ppss ppur prcc prcp prcs pre- prec pree prek prel prep pres preu prle prlr prls prps prrs prsc prse prsl prss prue prus pruu pscu psec psel pspp pspr psps psrk psrp pssc psse pu-e puce puck puel puer pueu puke puku pule pulk pull pulp puls pulu pupe pupl pups pupu pur- pure purl purp purr purs puru pusk puss puuc rccc rccs rcep rcle rcls rcps rcsc rcsl rcss recc rece reck recp recr recs recu reek reel reep rees reke reks rele rell relp rels repe repl repp repr reps repu rere rers reru rese resp ress reue reuk reul reup reus reuu rkss rlcs rlee rleu rlls rpcs rpls rpps rrle rrrr rrsp rscc rscs rsee rslc rslp rspk rsps rsre rssl ruce ruck ruel ruer rues ruke rukk ruku rule rulk rull rupe rupp rurc rure rurp rurs ruru ruse rusk russ rusu sccc scce sccl sccp sccs scec scee scel scep scer sck- sckl scl- sclc sclk scls scpe scpl scps scr- scrc scre scrs scsc scsl scsr scsu scul scup scur se-c se-e se-k se-s se-u sec- secc sece seck secr secs secu seec seek seel seep seer sees seeu seke sekk seku sele selk sell sels selu sepe sepp sepr seps sepu serc sere serk serp serr sers seru sesc sese sess seul seur skee skel skep sker skes skpc skss skue skul skup skur slcc slcu slee slep sler sles sllp slpp slps slrc slre slrp slrs slsc slsu sluc slue slup slur spcc spcs spec spee spek spel sper spes spke spkl spkr splc