cccc cccs ccee ccrc ccre ccrs ccrt ccss ccst cctc cctt cec- cece cecs cect ceec cees ceke cer- cerc cere cers cert cesc cese cesr cess cest cet- cete cets ckck ckcs cker ckrc ckst ckts crcc crce crcr cre- crec cree cres cret crkc crrt crss crst crtc crts cscc csce cscr cscs csec csee cser cset csks csrc csrs csse cssr cstc cstr csts ctec ctrc ctrs ctsc ctss ctts eccc ecce ecct eces ecks ecrc ecrr ecsc ecse ecss ect- ectc ects eecs eeee eees eeke eeks eerc eers eese eesk eetc eete eets ekek eker ekes eket ercc erce erec erer eres eret erke erks errc erre errs erse erst erts esce escr escs esee esek eser eses eset eske esks esse esst estc este estr ests etcc etcs etec etee eter etes etre ette kccc kcck kccr kcct kcec kcee kcet kckc kckk kckr kcrc kcrr kcrs kcrt kcsc kcse kcsr kcss kcst kctc kcte keck kecr keek keer kees keet kekc keke keks ker- kerc kere kerk kerr kers kert kesc kesk kesr kess kest ket- ketc kete ketk ketr kets kett kkck kkcr kkcs kkct kkkk kkrc kkre kkrk kkrr kkrs kkrt kkse kksr kkss kkst kktc kktk kkts krcc krce krcs krec kree krek kres kret krkc krke krkk krkr krks krrc krre krrk krrr krrs krrt krsc krse krsk krsr krss krst krtc krtk krtr krts ksce ksck kscr kscs ksec ksee ksek kser kset kske kskk kskr ksks ksrr ksrs ksrt ksse kssr ksss ksst kstc kste kstk kstr ksts kstt ktcc ktce ktck ktcr ktcs ktec ktee ktek ktkc ktke ktkk ktkr ktks ktkt ktrc ktre ktrk ktrr ktrs ktrt ktsc ktsr ktst kttc kttk kttr ktts kttt rccc rccs rcet rcsc rcss rctc rcts recc rece reck recr recs rect reek rees reet reke reks rekt rere rers rert rese ress rest rete retr rets rett rkss rkts rrrr rscc rscs rsee rsre rsts rtcc rtce rtee rtes rtss rtts sccc scce sccs scct scec scee scer scet sck- scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-k se-s se-t sec- secc sece seck secr secs sect seec seek seer sees seet seke sekk sekt serc sere serk serr sers sert sesc sese sess sest set- setc sete sets sett skee sker skes sket skrt skss srcc srct srec sres srtr sscc ssce sscs ssec ssee sses sset ssrc ssrs sssc ssss sstc ssts stcc stcs stec stee stek ster stes stet stks strc stre strk strs stss sttc sttr tccc tctc tcts teck tecr tecs tect teec teek teer tees teet teke ter- terc tere terk terr ters tesc tese tess test tete tetr tets tett tkts trcc tre- trec tree trek tres tret trst trtc trte trtr tscc tsec tses tset tsks tsse tssr tsst tstc tsts tter ttss tttt