cccc cccl cccs cccu ccee ccel cclc ccls ccrc ccre ccrl ccrs ccrt ccsl ccss ccst cctc cctl cctt ccuc ccus ccut cec- cece cecs cect ceec ceel cees ceke cel- celc cele cell cels celt cer- cerc cere cerl cers cert cesc cese cesr cess cest cet- cete cets ckck ckcl ckcs cker ckrc cksl ckst ckts clec clee clek cler cles clet cleu clrs clsc cltc clts clue clut crcc crce crcr cre- crec cree cres cret creu crkc crkl crls crrt crss crst crtc crtl crts crue cruk crus crut cscc csce cscl cscr cscs csec csee cser cset csks cslr cslu csrc csrs csse cssr cstc cstr csts csur csus ctec ctle ctls ctrc ctrl ctrs ctsc ctss ctsu ctts cucc cuce cuck cuek cuer cues cuk- cuke culc cule culk cull culs cult cure curl curr curs curt cusk cuss cust cusu cut- cutc cute cuts cutt e-cl eccc ecce eccl ecct eces ecks eclt ecrc ecrl ecrr ecru ecsc ecse ecss ecsu ect- ectc ects ecus eecs eeee eees eeke eeks eele eels eerc eers eese eesk eetc eete eets eetu ekek eker ekes eket ekur elce elec elee elek eler eles elet elke elks elle ells ellu else elst elsu elte elts elue elul elus ercc erce erec erel erer eres eret erke erks erle erll errc erre errs erse erst ertl erts ertu eruc erur erus esce escr escs escu esee esek esel eser eses eset eske esks esku esse essl esst essu estc este estr ests esus etcc etcs etec etee etel eter etes etre etsu ette ettu euer eule eur- eurc eure eurt euse kccc kcck kccl kccr kcct kccu kcec kcee kcel kcet kceu kckc kckk kckl kckr kclc kcle kclk kcll kclr kcls kclt kclu kcrc kcrr kcrs kcrt kcru kcsc kcse kcsr kcss kcst kcsu kctc kcte kctu kcue kcuk kcul keck kecr keek keel keer kees keet kekc keke kekl keks keku kele kelk kell kelt kelu ker- kerc kere kerk kerl kerr kers kert keru kesc kesk kesr kess kest ket- ketc kete ketk ketr kets kett ketu keul keur keus kkck kkcl kkcr kkcs kkct kkkk kklc kkll kkls kkrc kkre kkrk kkrl kkrr kkrs kkrt kkse kksr kkss kkst kksu kktc kktk kktl kkts kktu kkus kkut kkuu klcc klce klck klcl klcr klcs klec klee klek kler kles klet klkc klkk klkl klkr klks kllc klle kllk klls klrc klrk klrr klrs klru klsc klse klsr klst klsu kltc kltk kltr kltt klue kluk klur kluu krcc krce krcl krcs krcu krec kree krek kres kret kreu krkc krke krkk krkr krks krku krlc krle krlt krrc krre krrk krrl krrr krrs krrt krsc krse krsk krsl krsr krss krst krsu krtc krtk krtr krts kruc krue kruk krul krur ksce ksck kscl kscr kscs kscu ksec ksee ksek ksel kser kset kske kskk kskr ksks ksku kslc ksle kslk ksll kslr kslt kslu ksrr ksrs ksrt ksse kssl kssr ksss ksst kssu kstc kste kstk kstl kstr ksts kstt kstu ksue ksut ksuu ktcc ktce ktck ktcl ktcr ktcs ktec ktee ktek ktel ktkc ktke ktkk ktkr ktks ktkt ktku ktlk ktlr ktlt ktlu ktrc ktre ktrk ktrl ktrr ktrs ktrt ktru ktsc ktsl ktsr ktst ktsu kttc kttk kttr ktts kttt kttu ktuc ktul kucc kuce kucr kuek kuel kues kueu kuke kukk kukl kuks kuku kule kull kult kulu kure kurk kurl kurr kurs kurt kuru kusc kust kusu kute kutr kuts kutt kutu kuuk kuul kuur kuuu lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr lctl lcts le-u lece leck lect leek leel leer lees leet leke lekk leks lele lell lelu lerc lere lerk lert lese lesk less lest lesu lete lets lett leuc leuk leur lkrs llcc llcs lles llet lleu llks lllc llll lrcs lrrc lrrr lrse lrst lrts ls-r lscs lses lset lsrc lssr lsts ltcc ltcs ltee ltke ltrs ltsr lttc lttr ltuc luce luck lucs luer lues luke lule lull lulu lure lurk lurs lurt luse lusk luss lust lute luts luuk rccc rccs rcet rcle rcls rcsc rcsl rcss rctc rcts recc rece reck recr recs rect recu reek reel rees reet reke reks rekt rele rell rels relt rere rers rert reru rese ress rest rete retr rets rett reue reuk reul reus reut reuu rkss rkts rlcs rlee rleu rlls rrle rrrr rscc rscs rsee rslc rsre rssl rsts rstu rtcc rtce rtee rtes rtle rtls rtlt rtss rtts ruce ruck ruct ruel ruer rues ruet ruke rukk ruku rule rulk rull rurc rure rurs ruru ruse rusk russ rust rusu rute rutl ruts rutt rutu sccc scce sccl sccs scct scec scee scel scer scet sck- sckl scl- sclc sclk scls scr- scrc scre scrs scsc scsl scsr scst scsu sctc sctl sctr scts scul scur scut se-c se-e se-k se-s se-t se-u sec- secc sece seck secr secs sect secu seec seek seel seer sees seet seeu seke sekk sekt seku sele selk sell sels selt selu serc sere serk serr sers sert seru sesc sese sess sest set- setc sete setl sets sett seul seur skee skel sker skes sket skrt skss skue skul skur skut slcc slcu slee sler sles slet slrc slre slrs slsc slst slsu slts sluc slue slur slut srcc srct srec sres srtr sscc ssce sscs ssec ssee sses sset sslc ssle sslt ssrc ssrl ssrs sssc ssss sstc sstl ssts stcc stcs stcu stec stee stek stel ster stes stet stks stlc stle stlt strc stre strk strs stru stss sttc sttr stuc stue stuk stul stur stus stut suc- succ suck sucr sucs suee suel suer sues suet sueu suke suks suku sul- sulc sule sulk sull sult sulu sur- surc sure surr surs surt suru sus- suse susk suss sust susu sute sutu suus tccc tccu tctc tcts tcul teck tecl tecr tecs tect teec teek teel teer tees teet teke tel- telc tele tell tels