cccc cccf cccs ccee ccfc ccff ccrc ccre ccrf ccrs ccrt ccsf ccss ccst cctc cctt cec- cece cecs cect ceec cees cef- cefc cer- cerc cere cerf cers cert cesc cese cesr cess cest cet- cete cets cfcf cfcs cffr cfre cfrt cfse cftc cfte cftr crcc crce crcr cre- crec cree cres cret crfc crfs crrt crss crst crtc crtf crts cscc csce cscf cscr cscs csec csee cser cset csfc csfr csrc csrs csse cssr cstc cstr csts ctcf ctec ctfc ctfs ctrc ctrs ctsc ctss ctts eccc ecce ecct ecef eces ecfc ecfr ecfs ecrc ecrf ecrr ecsc ecse ecss ect- ectc ectf ects eecs eeee eees eefe eerc eers eese eetc eete eets efes efet effs eft- efts ercc erce erec erer eres eret erfc erfs erft errc erre errs erse erst erts esce escr escs esee eser eses eset esfs esse esst estc este estr ests etcc etcs etec etee eter etes etfc etfe etre ette fccf fces fcsc fcst fece fect feer fees feet fefc fefe feff ferc fere ferr fers fert fese fess fest fete fetr fets fett ffcc ffee ffff ffrr ffss fftf frcc free fres fret frfc frsc frst fscc fsec fssc fssf ft-c fter ftfc ftrs ftse ftsr rccc rccs rcet rcfc rcsc rcss rctc rcts recc rece recr recs rect reef rees reet refe reff refr refs reft rere rers rert rese ress rest rete retr rets rett rfef rffc rftc rrfc rrrr rscc rscs rsee rsfc rsre rsts rtcc rtce rtee rtes rtfc rtss rtts sccc scce sccs scct scec scee scer scet scfc scfe scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-f se-s se-t sec- secc sece secr secs sect seec seef seer sees seet seff seft serc sere serf serr sers sert sesc sese sess sest set- setc sete setf sets sett sfcc sfcs sfer sffc sfrc sfss sfts srcc srct srec sres srfc srtr sscc ssce sscs ssec ssee sses sset ssfc ssrc ssrs sssc sssf ssss sstc ssts stcc stcs stec stee stef ster stes stet stfc strc stre strs stsf stss sttc sttr tccc tcfc tctc tcts tecr tecs tect teec teef teer tees teet tefc teff teft ter- terc tere terf terr ters tesc tese tess test tete tetr tets tett tfec tfrs tfss tftc trcc tre- trec tree tref tres tret trfc trfr trst trtc trte trtr tscc tsec tses tset tsfc tsse tssf tssr tsst tstc tsts tter ttfc ttff ttss tttt