cccc cccp cccs ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsp ccss ccst cctc cctt cec- cece cecp cecs cect ceec cees cepc cepe cepp cepr ceps cept cer- cerc cere cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets cpce cpcs cpep cper cpps cpre cprs cprt cpsc cpsr cptp cptr cpts crcc crce crcr cre- crec cree crep cres cret crpc crps crrt crsp crss crst crtc crtp crts cscc csce cscr cscs csec csee csep cser cset cspc cspe csps cspt csrc csrs csse cssr cstc cstr csts ctcp ctec ctep ctpp ctps ctrc ctrp ctrs ctsc ctss ctts eccc ecce ecct eces ecpp ecrc ecrr ecsc ecse ecsp ecss ect- ectc ects eecs eeee eees eeps eerc eers eese eetc eete eets epcc epec epee eper epes eppc eppp epps eprp eprs epsc epsp epss epte ercc erce ercp erec erer eres eret erpe erps errc erre errs erse erst erts esce escr escs esee eser eses eset espc espe espp esps esse essp esst estc este estp estr ests etcc etcs etec etee eter etes etre ette pccc pcce pccs pcep pcer pcpp pcps pcrc pcre pcse pcte pcts pece pecr pecs pect peec peep peer pees peet pepe peps per- perc pere perp perr pers pert pese pess pest pete petr pets pett ppcc ppcs pper pppp ppps pprc ppss ppts pptt prcc prcp prcs pre- prec pree prep pres pret prps prrs prsc prse prss prtc prtp prtr psec pspp pspr psps psrp pssc psse psst psts ptcc pter pttc rccc rccs rcep rcet rcps rcpt rcsc rcss rctc rcts recc rece recp recr recs rect reep rees reet repe repp repr reps rept rere rers rert rese resp ress rest rete retr rets rett rpcs rpet rpps rpts rrrr rrsp rscc rscs rsee rsps rsre rstp rsts rtcc rtce rtee rtes rtps rtss rttp rtts sccc scce sccp sccs scct scec scee scep scer scet scpe scps scpt scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-s se-t sec- secc sece secr secs sect seec seep seer sees seet sepe sepp sepr seps sept serc sere serp serr sers sert sesc sese sess sest set- setc sete sets sett spcc spcs spec spee sper spes spet spps sprs spse spsp spss spst sptc sptr spts srcc srct srec sres srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sspc sspe ssps sspt ssrc ssrs sssc ssss sstc sstp ssts stcc stcp stcs stec stee step ster stes stet stpp stps strc stre strs stss sttc sttr tccc tcep tctc tcts tecr tecs tect teec teer tees teet tepe tepp ter- terc tere terp terr ters tesc tese tesp tess test tete tetr tets tett tpcp tpcs tper tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tree tres tret trpc trpe trpp trps trst trtc trte trtr tscc tscp tsec tses tset tsps tspt tsse tssr tsst tstc tsts ttcp tter ttss tttt