-er -ey c-- ccc cce cck ccp ccr cct ce- cec cee cek cep cer cet cey ckc ckt cky cpc cpe cpk cpp cpr cpt crc cre crk crp crr crt cry ctc cte ctk ctp ctr ctt cty cyc cye cyk cyp cyr cyt ec- ecc ece eck ecr ect eec eee eek eep eer eet eey ekc eke ekp ekr ekt eky ep- epc epe epp epr ept erc ere erk erp err ert ery etc ete etk etp etr ett ety eyc eye eyp eyr eyt k-t kcc kce kck kcp kcr kct ke- kec kee kek kep ker ket key kkc kke kkk kkp kkr kkt kky kpc kpe kpk kpp kpr kpt krc krk krp krr krt kry ktc kte ktk ktp ktr ktt kyc kye kyp kyr kyt p-p pcc pce pck pcp pcr pct pec pee pek pep per pet pey pkc pke pkp pkr pkt pky ppc ppe ppk ppp ppr ppt prc pre prk prp prr prt pry pt- ptc pte ptk ptp ptr ptt pty py- pyc pye pyk pyr pyt rcc rce rcp rcr rct re- rec ree rek rep rer ret rey rkc rke rkk rkp rkt rky rpc rpe rpk rpp rpr rpt rrc rrk rrp rrr rrt rtc rte rtk rtp rtr rtt rty ry- ryc rye ryk ryr ryy tcc tce tck tcp tcr tct te- tec tee tek tep ter tet tey tkc tke tkk tkp tkr tkt tky tpc tpe tpk tpp tpr tpt trc tre trk trp trr trt try ttc tte ttk ttp ttr ttt tty tyc tye typ tyr tyt ycc yce ycp ycy yec yee yek yep yer yet yey ykk yrc yre yrp yrt ytc yte ytk ytp ytr ytt yyc yye yyt yyy

cccc cccp ccee ccpe ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cec- cece cecp cect ceec ceke cepc cepe cepp cepr cept cer- cerc cere cerp cert cery cet- cete cetp ckck ckcy cker ckey ckpc ckpr ckrc ckry ckty cpce cpep cper cpre cprt cptp cptr crcc crce crcr cre- crec cree crep cret crkc crkp crpc crrt crtc crtp cry- ctcp ctec ctep ctpp ctrc ctrp cyc- cycc cyke cypc cyre cyrk cyrt cyt- cyte cyy- cyyc eccc ecce ecct ecky ecpp ecrc ecrr ect- ectc eeee eeke eerc eery eetc eete ekek eker eket ekpe epcc epec epee eper eppc eppp eppy eprp epte ercc erce ercp erec erer eret erke erpe errc erre eryc erye etcc etec etee eter etre ette etty eyck eyec eyer eyet eyey eyke eype eyre eyry eyte eyyr kccc kcck kccr kcct kccy kcec kcee kcep kcet kcey kckc kckk kckr kcky kcpc kcpr kcpt kcrc kcrp kcrr kcrt kcry kctc kcte kcty kcye kcyk kcyt kcyy keck kecr keek keep keer keet kekc keke kep- kepc kepe kept kepy ker- kerc kere kerk kerp kerr kert ket- ketc kete ketk ketp ketr kett kety keye keyy kkck kkcr kkct kkcy kkkk kkpc kkpk kkpt kkrc kkre kkrk kkrr kkrt kktc kktk kkty kkyc kkyy kpcc kpcr kpek kper kpet kpke kpkk kpkr kpky kppc kppk kppp kppr kprc kpre kprk kprp kprr kprt kpte kptr kptt kpty kpyk kpyr krcc krce krec kree krek kret krkc krke krkk krkr krky krpr krpt krrc krre krrk krrr krrt krry krtc krtk krtr krty krye kryk kryp kryy ktcc ktce ktck ktcr ktcy ktec ktee ktek ktep ktkc ktke ktkk ktkr ktkt ktpk ktpr ktpt ktrc ktre ktrk ktrp ktrr ktrt ktry kttc kttk kttp kttr kttt ktty ktyr kycc kyck kycr kyct kyee kyet kykc kyke kykk kykr kyky kyp- kypc kype kypr kyrc kyre kyrk kytc kyte kytt kyty kyyk kyyt kyyy pccc pcce pcep pcer pcpp pcrc pcre pcte pece peck pecr pect pecy peec peek peep peer peet peke pekk pepe per- perc pere perk perp perr pert pery pete petr pett pety peyr ppcc pper pppp pprc pptt ppye prcc prcp pre- prec pree prek prep pret prey prky prtc prtp prtr pryk ptcc pter pttc pttk pyce pyck pyep pyet pyke pykk pype pypy pyr- pyre pyrk pyry pyte pytt rccc rcep rcet rcpt rctc rcyc recc rece reck recp recr rect recy reek reep reet reke rekt reky repe repp repr rept repy rere rert rery rete retr rett rety reye reyk rpet rpyc rrrr rtcc rtce rtee rttp ryck ryet ryke rype rytt ryyt tccc tcep tcpy tctc teck tecr tect teec teek teer teet teke tepe tepp ter- terc tere terk terp terr tery tete tetr tett teye teyk teyr tkey tpck tpcp tper tpke tppp tppr tpte tptp tptr trcc tre- trec tree trek tret trey trpc trpe trpp trtc trte trtr try- trye tryp ttcp tter tttt tyce tyck tyee tyek tyer tyet tyke typ- type typp typy tyr- tyre tyrr tyte tytt tyty yccc ycee yctc yeck yeek yeep yeer yeet yeke yepe yepp yere yerk yerr yert yery yete yett yeye yeyr ykep ykey ykyt ypcc yrke ytky ytre yyyy

-tree c-p-c c-tec ccccc ccett cecyt ceere cekyr cepet cerc- cerce cerec cerer ceret cerke cerre certe certy cette cetty cpctc crece crecy creek creep creer creke crepe crept crepy crete cryer cryke crypt cteep ctree cttee cyete cykey cykyr cypre cyrt- cytec cytee cytte cytyc eccky ecker eecke eeeee eepee ekker eperc erect erept erere erkec errey erte erter eteke etete etree etrek etter etyek etype eyere eyrer k-p-r kecer kecky keepe keepy keere kekec keppe kerek kerep keret kerey kerre kerry ketek keter kette ketty keyer keyre keyry kreek kreep kreke krepe krery krete kreye krypt kryry ktery kypck kyper kyrre kytte p-rep pcept pcert pctct pecke pecky peece peeke peeky peepy peere peert peery peete peket pekre pepee peppe peppy pept- perce percy perec perer peret perke perky perre perry perte perty peryr peter petey petr- petre petry pette petty petyt peyce peyer peyet peyre pprey pre-k prece precy preke prete prety preye prkce pryce pryck pryer pryke