-er -ey -ic c-- ccc cce cci ccp ccr cct ce- cec cee cei cep cer cet cey ci- cic cie cii cip cir cit cpc cpe cpi cpp cpr cpt crc cre cri crp crr crt cry ctc cte cti ctp ctr ctt cty cyc cye cyp cyr cyt ec- ecc ece eci ecr ect eec eee eep eer eet eey eic eie eii eip eir eit ep- epc epe epi epp epr ept erc ere eri erp err ert ery etc ete eti etp etr ett ety eyc eye eyp eyr eyt icc ice ici icp icr ict icy ie- iec iee iei iep ier iet iey iic iie iii iip iir iit ipc ipe ipi ipp ipr ipt ipy ir- irc ire iri irp irr irt iry itc ite iti itp itt ity iyc iye iyr iyt iyy p-p pcc pce pci pcp pcr pct pec pee pei pep per pet pey pic pie pii pip pir pit ppc ppe ppi ppp ppr ppt prc pre pri prp prr prt pry pt- ptc pte pti ptp ptr ptt pty py- pyc pye pyr pyt rcc rce rci rcp rcr rct re- rec ree rei rep rer ret rey ric rie rii rip rir rit riy rpc rpe rpi rpp rpr rpt rrc rri rrp rrr rrt rtc rte rti rtp rtr rtt rty ry- ryc rye ryr ryy tcc tce tci tcp tcr tct te- tec tee tei tep ter tet tey tic tie tii tip tir tit tiy tpc tpe tpi tpp tpr tpt trc tre tri trp trr trt try ttc tte tti ttp ttr ttt tty tyc tye typ tyr tyt ycc yce yci ycp ycy yec yee yei yep yer yet yey yie yii yip yir yit yrc yre yrp yrt ytc yte ytp ytr ytt yyc yye yyt yyy

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 cery cet- cete ceti cetp cicc cici cicr cict ciee cier ciii ciit cipp circ cire ciri cirr cirt cite citi citp citt city 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 cry- ctcp ctec ctep ctic ctpp ctrc ctrp cyc- cycc cypc cyre cyrt cyt- cyte cyy- cyyc eccc ecce ecci ecct ecip ecit ecpp ecrc ecri ecrr ect- ectc eeee eerc eery eetc eete eiec eiei eier eipr eire eiry eitc eiti eitr epcc epci epec epee eper epi- epic epie epip epit eppc eppp eppy eprp epte ercc erce ercp erec erei erer eret eric erie erit erpe errc erre eryc erye etcc etec etee eter etic etre ette etti etty eyec eyer eyet eyey eyir eype eyre eyry eyte eyyr iccc icci iccp iccr icct icec icee icer icet icey icpc icrc icre icrr icrt icry ictp iecc ieet ieie iere ieri iett iiie iiii iiit iirc iitr iitt ipcc ipce ipct ipec iper ipet ipie ippc ippr ippy ipri iptc ircc iree irer iri- iric irie irip iriy irpc irpe irrc irre irri irte irti irtp itec itep iter itet itic itie itpc itri itry itty iyer iyet iypt iyre pccc pcce pcep pcer pcip pcpp pcrc pcre pcte pece peci pecr pect pecy peec peep peer peet peip peir peit pepe pepi per- perc pere peri perp perr pert pery pete peti petr pett pety peyr picc pice pici picr pict picy piep pier piet piip pipe pipi pipp pipy pirc pire piri pirr piry pite piti pitr pitt pity piye ppcc ppci pper ppic ppie pppp pprc pptt ppye prcc prcp pre- prec pree prep pret prey pri- prie prii prri prtc prti prtp prtr ptcc pter pttc pyce pyep pyet pyic pype pypy pyr- pyre pyri pyry pyte pytt rccc rcep rcet rcic rcpi rcpt rctc rcti rcyc recc rece reci recp recr rect recy reep reet reii reir reit repe repi repp repr rept repy rere reri rert rery rete reti retr rett rety reye ricc rice rict riep rier riet ripe ripi ripp ripr ript rire riri rite riti ritt rpet rpii rpyc rrrr rtcc rtce rtee rtei rttp ryet ryip rype rytt ryyt tccc tcep tcpy tctc tecr tect teec teer teet teic teie teip teir tepe tepi tepp ter- terc tere teri terp terr tery tete teti tetr tett teye teyr ticc tice tie- tiee tiei tiep tier tiet tiit tip- tipc tipe tipi tipp tipt tire tiri tirr tiry titc tite titi titp titt tiye tiyi tpcp tper tpir tppp tppr tpte tptp tptr trcc tre- trec tree trei tret trey tri- tric trie trip trit trpc trpe trpp trtc trte trtr try- trye tryp ttcp tter tttt tyce tyee tyer tyet tyir typ- type typp typy tyr- tyre tyrr tyte tyti tytt tyty yccc ycee ycie yctc yeep yeer yeet yeie yeii yeir yeit yepe yepp yere yeri yerr yert yery yete yeti yett yeye yeyi yeyr yiet yipe yire yirr yite yiti yitp ypcc ypir ytre yyyy

-tree c-p-c c-tec ccccc cccii ccett cciii ccitt ceci- cecie cecri cecyt ceere ceipp ceirt cepci cepet cepic cepie cepii cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe certy cetic cette cetty cicer cietc cipce ciper cippi cipre circe cirey ciric cirie cirr- cirri citec citee citer citey citie citr- citry citte cpctc cpeir crece crecy creep creer crepe crept crepy crete crice crier cripe cript cryer crypt cteep ctree ctrie ctrip cttee cyete cypre cyric cyrt- cytec cytee cytte cytyc ecipe ecrit eeeee eepee eerie eetti eipic eipri eirie eiter eitri eperc epice epiry eppie erect erept erere erice erier eriic erite errey erte erter etete etite etree etter ettie etype eyere eyrer eyrie eyrir eytie ice-t iceci iceit icici icier icter ictic iecee ieiri iepe ieper ierei iette iiiee iiiii iitti ipeti ipiti