cccc cccf cccp ccee ccfc ccff ccpe ccpp ccpr ccrc ccre ccrf ccrp ccrt cctc cctt cec- cece cecp cect ceec cef- cefc cepc cepe cepp cepr cept cer- cerc cere cerf cerp cert cet- cete cetp cfcf cffr cfpr cfre cfrp cfrt cftc cfte cftr cpce cpep cper cpff cpft cpre cprt cptp cptr crcc crce crcr cre- crec cree crep cret crfc crpc crrt crtc crtf crtp ctcf ctcp ctec ctep ctfc ctpp ctrc ctrp eccc ecce ecct ecef ecfc ecfr ecpp ecrc ecrf ecrr ect- ectc ectf eeee eefe eerc eetc eete efet eft- eftp epcc epec epee eper epfc eppc eppp eprp epte ercc erce ercp erec erer eret erfc erft erpe errc erre etcc etec etee eter etfc etfe etre ette fccf fccp fece fect feer feet fefc fefe feff fepc ferc fere ferr fert fete fetp fetr fett ffcc ffee ffff ffrr fftf fp-c fpcc fpct fprf frcc frcp free frep fret frfc ft-c fter ftfc ftpe pccc pcce pcep pcer pcfc pcpp pcrc pcre pcrf pcte pece pecr pect peec peep peer peet pefc peff pepe per- perc pere perf perp perr pert pete petr pett pfce pfet pfff pffr pfft pfte ppcc pper pppp pprc pprf pptt prcc prcf prcp pre- prec pree pref prep pret prfc prtc prtp prtr ptcc pter ptrf pttc rccc rcep rcet rcfc rcpt rctc recc rece recp recr rect reef reep reet refe reff refr reft repe repp repr rept rere rert rete retr rett rfef rffc rftc rpet rpfc rrfc rrrr rtcc rtce rtee rtfc rttp tccc tcep tcfc tctc tecr tect teec teef teer teet tefc teff teft tepe tepp ter- terc tere terf terp terr tete tetr tett tfec tfpt tftc tftp tpcp tper tppp tppr tpte tptp tptr trcc tre- trec tree tref tret trfc trfr trpc trpe trpp trtc trte trtr ttcp tter ttfc ttff tttt