cccc cccl cccs ccee ccel cclc ccls ccrc ccre ccrl ccrs ccrt ccsl ccss ccst cctc cctl cctt 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 clrs clsc cltc clts crcc crce crcr cre- crec cree cres cret crkc crkl crls crrt crss crst crtc crtl crts cscc csce cscl cscr cscs csec csee cser cset csks cslr csrc csrs csse cssr cstc cstr csts ctec ctle ctls ctrc ctrl ctrs ctsc ctss ctts e-cl eccc ecce eccl ecct eces ecks eclt ecrc ecrl ecrr ecsc ecse ecss ect- ectc ects eecs eeee eees eeke eeks eele eels eerc eers eese eesk eetc eete eets ekek eker ekes eket elce elec elee elek eler eles elet elke elks elle ells else elst elte elts ercc erce erec erel erer eres eret erke erks erle erll errc erre errs erse erst ertl erts esce escr escs esee esek esel eser eses eset eske esks esse essl esst estc este estr ests etcc etcs etec etee etel eter etes etre ette kccc kcck kccl kccr kcct kcec kcee kcel kcet kckc kckk kckl kckr kclc kcle kclk kcll kclr kcls kclt kcrc kcrr kcrs kcrt kcsc kcse kcsr kcss kcst kctc kcte keck kecr keek keel keer kees keet kekc keke kekl keks kele kelk kell kelt ker- kerc kere kerk kerl kerr kers kert kesc kesk kesr kess kest ket- ketc kete ketk ketr kets kett kkck kkcl kkcr kkcs kkct kkkk kklc kkll kkls kkrc kkre kkrk kkrl kkrr kkrs kkrt kkse kksr kkss kkst kktc kktk kktl kkts 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 klsc klse klsr klst kltc kltk kltr kltt krcc krce krcl krcs krec kree krek kres kret krkc krke krkk krkr krks krlc krle krlt krrc krre krrk krrl krrr krrs krrt krsc krse krsk krsl krsr krss krst krtc krtk krtr krts ksce ksck kscl kscr kscs ksec ksee ksek ksel kser kset kske kskk kskr ksks kslc ksle kslk ksll kslr kslt ksrr ksrs ksrt ksse kssl kssr ksss ksst kstc kste kstk kstl kstr ksts kstt ktcc ktce ktck ktcl ktcr ktcs ktec ktee ktek ktel ktkc ktke ktkk ktkr ktks ktkt ktlk ktlr ktlt ktrc ktre ktrk ktrl ktrr ktrs ktrt ktsc ktsl ktsr ktst kttc kttk kttr ktts kttt lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr lctl lcts lece leck lect leek leel leer lees leet leke lekk leks lele lell lerc lere lerk lert lese lesk less lest lete lets lett lkrs llcc llcs lles llet 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 rccc rccs rcet rcle rcls rcsc rcsl rcss rctc rcts recc rece reck recr recs rect reek reel rees reet reke reks rekt rele rell rels relt rere rers rert rese ress rest rete retr rets rett rkss rkts rlcs rlee rlls rrle rrrr rscc rscs rsee rslc rsre rssl rsts rtcc rtce rtee rtes rtle rtls rtlt rtss rtts sccc scce sccl sccs scct scec scee scel scer scet sck- sckl scl- sclc sclk scls scr- scrc scre scrs scsc scsl scsr scst sctc sctl sctr scts se-c se-e se-k se-s se-t sec- secc sece seck secr secs sect seec seek seel seer sees seet seke sekk sekt sele selk sell sels selt serc sere serk serr sers sert sesc sese sess sest set- setc sete setl sets sett skee skel sker skes sket skrt skss slcc slee sler sles slet slrc slre slrs slsc slst slts 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 stec stee stek stel ster stes stet stks stlc stle stlt strc stre strk strs stss sttc sttr tccc tctc tcts teck tecl tecr tecs tect teec teek teel teer tees teet teke tel- telc tele tell tels telt ter- terc tere terk terr ters tesc tese tesl tess test tete tetr tets tett tkts tlrs trcc trcl tre- trec tree trek tres tret trst trtc trte trtr tscc tsec tses tset tsks tsse tssr tsst tstc tsts tter ttss tttt