cccc ccci cccp ccee ccgc ccgt ccic ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccrg ccri ccrp ccrt cctc cctt cec- cece ceci cecp cect ceec cege ceip cepc cepe cepp cepr cept cer- cerc cere ceri cerp cert cet- cete ceti cetp cgcc cgcg cger cgtp cicc cici cicr cict ciee cier cigi ciii ciit cipp circ cire ciri cirr cirt cite citg citi citp citt cpce cpep cper cpic cpre cpri cprt cptp cptr crcc crce crcr cre- crec cree creg crei crep cret cric crie crig crip crit crpc crrt crtc crtp ctcp ctec ctep ctge ctic ctpp ctrc ctrp eccc ecce ecci ecct ecig ecip ecit ecpg ecpp ecrc ecri ecrr ect- ectc eeee eerc eerg eetc eete egcc egcg egcr egec egee eger egge eggi eggp egir egpe egpi egre egri egte eiec eiei eier eige eigg 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 erg- ergg ergi eric erie erit erpe errc erre etcc etec etee eter etic etre ette etti gc-c gccc gcet gcic gcii gcpc gcrg gctc gece geep geer geet gege gegg geic geie geig geir geit gepe gere geri gert gete getg geti gett gggg gicr gier giet gige gigg gigi gipe gipi gipp gire girg giri girr girt gite gper gpgp gpip gprp grcc grce grec gree greg grep gret gric grie grig grip grit grpc grrr grtc gtcr gtip iccc icci iccp iccr icct icec icee icer icet icgc icpc icrc icre icrr icrt ictp iecc ieet ieie iere ieri iett igcc igcp iger iget igri iiie iiii iiit iirc iitr iitt ipcc ipce ipct ipec iper ipet ipie ippc ippr ipri iptc ircc ircg iree irer iri- iric irie irig irip irpc irpe irrc irre irri irte irti irtp itec itep iter itet itgc itic itie itpc itri pccc pcce pcep pcer pcgg pcip pcpp pcrc pcre pcte pece peci pecr pect peec peep peer peet pegg peip peir peit pepe pepi per- perc pere perg peri perp perr pert pete peti petr pett pgcc pgce pger pgrc picc pice pici picr pict piep pier piet pigc pigg pigp pigt piip pipe pipi pipp pirc pire pirg piri pirr pite piti pitr pitt ppcc ppci pper ppgi ppic ppie ppig pppp pprc pptt prcc prcp pre- prec pree preg prep pret pri- prie prig prii prri prtc prti prtp prtr ptcc pter pttc rccc rcep rcet rcgc rcic rcpi rcpt rcrg rctc rctg rcti recc rece reci recp recr rect reep reet rege regi regr regt reii reir reit repe repi repp repr rept rere rerg reri rert rete reti retr rett rgit rgtr ricc rice rict riep rier riet rige rigg rigi ripe ripi ripp ripr ript rire riri rite riti ritt rpet rpii rrrr rtcc rtce rtcg rtee rtei rttp tccc tcep tctc tecr tect teec teer teet tegg tegi tegt teic teie teip teir tepe tepi tepp ter- terc tere teri terp terr tete teti tetr tett tgcc tgtc ticc tice tie- tiee tiei tiep tier tiet tige tigi tigr tiit tip- tipc tipe tipi tipp tipt tire tiri tirr titc tite titi titp titt tpcp tpeg tper tpir tppp tppr tpte tptp tptr trcc tre- trec tree treg trei tret trge tri- tric trie trig trip trit trpc trpe trpg trpp trtc trte trtr ttcp tter tttt