cccc ccci cccp ccee ccic ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccri ccrp ccrt cctc cctt cec- cece ceci cecp cect ceec ceip cepc cepe cepp cepr cept cer- cerc cere ceri cerp cert cet- cete ceti cetp cicc cici cicr cict ciee cier ciii ciit cipp circ cire ciri cirr cirt cite citi citp citt cpce cpep cper cpic cpre cpri cprt cptp cptr crcc crce crcr cre- crec cree crei crep cret cric crie crip crit crpc crrt crtc crtp ctcp ctec ctep ctic ctpp ctrc ctrp eccc ecce ecci ecct ecip ecit ecpp ecrc ecri ecrr ect- ectc eeee eerc eetc eete eiec eiei eier eipr eire eitc eiti eitr epcc epci epec epee eper epi- epic epie epip epit eppc eppp eprp epte ercc erce ercp erec erei erer eret eric erie erit erpe errc erre etcc etec etee eter etic etre ette etti iccc icci iccp iccr icct icec icee icer icet icpc icrc icre icrr icrt ictp iecc ieet ieie iere ieri iett iiie iiii iiit iirc iitr iitt ipcc ipce ipct ipec iper ipet ipie ippc ippr ipri iptc ircc iree irer iri- iric irie irip irpc irpe irrc irre irri irte irti irtp itec itep iter itet itic itie itpc itri pccc pcce pcep pcer pcip pcpp pcrc pcre pcte pece peci pecr pect peec peep peer peet peip peir peit pepe pepi per- perc pere peri perp perr pert pete peti petr pett picc pice pici picr pict piep pier piet piip pipe pipi pipp pirc pire piri pirr pite piti pitr pitt ppcc ppci pper ppic ppie pppp pprc pptt prcc prcp pre- prec pree prep pret pri- prie prii prri prtc prti prtp prtr ptcc pter pttc rccc rcep rcet rcic rcpi rcpt rctc rcti recc rece reci recp recr rect reep reet reii reir reit repe repi repp repr rept rere reri rert rete reti retr rett ricc rice rict riep rier riet ripe ripi ripp ripr ript rire riri rite riti ritt rpet rpii rrrr rtcc rtce rtee rtei rttp tccc tcep tctc tecr tect teec teer teet teic teie teip teir tepe tepi tepp ter- terc tere teri terp terr tete teti tetr tett ticc tice tie- tiee tiei tiep tier tiet tiit tip- tipc tipe tipi tipp tipt tire tiri tirr titc tite titi titp titt tpcp tper tpir tppp tppr tpte tptp tptr trcc tre- trec tree trei tret tri- tric trie trip trit trpc trpe trpp trtc trte trtr ttcp tter tttt