-er c-- ccc cce cck ccl ccr ccs cct ce- cec cee cek cel cer ces cet ckc cks ckt cl- clc cle clk cll clr cls clt crc cre crk crl crr crs crt csc cse csk csl csr css cst ctc cte ctk ctl ctr cts ctt ec- ecc ece eck ecl ecr ecs ect eec eee eek eel eer ees eet ekc eke ekl ekr eks ekt elc ele elk ell elr els elt erc ere erk erl err ers ert es- esc ese esk esl esr ess est etc ete etk etl etr ets ett k-t kcc kce kck kcl kcr kcs kct ke- kec kee kek kel ker kes ket kkc kke kkk kkl kkr kks kkt kl- klc klr kls klt krc krk krl krr krs krt ksc kse ksk ksl ksr kss kst ktc kte ktk ktl ktr kts ktt lcc lce lck lcl lcr lcs lct lec lee lek lel ler les let lkl lkr lks lkt llc lle llk lll llr lls llt lrc lrk lrr lrs lrt lsc lse lsk lsl lsr lss lst ltc lte ltk ltl ltr lts ltt rcc rce rcl rcr rcs rct re- rec ree rek rel rer res ret rkc rke rkk rks rkt rlc rle rll rlr rls rlt rrc rrk rrl rrr rrs rrt rsc rse rsk rsl rsr rss rst rtc rte rtk rtl rtr rts rtt scc sce sck scl scr scs sct se- sec see sek sel ser ses set sk- skc ske skk skl skr sks skt slc sle slk sll slr sls slt sr- src sre srk srl srr srs srt ss- ssc sse ssk ssl ssr sss sst stc ste stk stl str sts stt tcc tce tck tcl tcr tcs tct te- tec tee tek tel ter tes tet tkc tke tkk tkl tkr tks tkt tlc tle tlk tll tlr tls tlt trc tre trk trl trr trs trt tsc tse tsk tsl tsr tss tst ttc tte ttk ttl ttr tts ttt

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