-er -ey c-- ccc cce cco ccp ccr cct ce- cec cee ceo cep cer cet cey co- coc coe coo cop cor cot coy cpc cpe cpo cpp cpr cpt crc cre cro crp crr crt cry ctc cte cto ctp ctr ctt cty cyc cye cyo cyp cyr cyt ec- ecc ece eco ecr ect eec eee eeo eep eer eet eey eo- eoc eoe eoo eop eor eot ep- epc epe epo epp epr ept erc ere ero erp err ert ery etc ete eto etp etr ett ety eyc eye eyo eyp eyr eyt oc- occ oco ocp ocr oct oec oee oeo oep oer oet oey oo- ooc ooo oop oor oot op- opc ope opo opp opr opt opy or- orc ore oro orp orr ort ory ot- otc ote oto otp otr ott oye oyo p-p pcc pce pco pcp pcr pct pec pee peo pep per pet pey poc poe poo pop por pot poy ppc ppe ppo ppp ppr ppt prc pre pro prp prr prt pry pt- ptc pte pto ptp ptr ptt pty py- pyc pye pyo pyr pyt rcc rce rco rcp rcr rct re- rec ree reo rep rer ret rey roc roe roo rop ror rot roy rpc rpe rpo rpp rpr rpt rrc rrp rrr rrt rtc rte rto rtp rtr rtt rty ry- ryc rye ryo ryr ryy tcc tce tco tcp tcr tct te- tec tee teo tep ter tet tey to- toc toe too top tor tot toy tpc tpe tpo tpp tpr tpt trc tre tro trp trr trt try ttc tte tto ttp ttr ttt tty tyc tye tyo typ tyr tyt ycc yce yco ycp ycy yec yee yeo yep yer yet yey yoc yoe yoo yop yor yot yoy ypo yrc yre yro yrp yrt ytc yte yto ytp ytr ytt yyc yye yyt yyy

cccc cccp ccee ccoc ccpe ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cec- cece ceco cecp cect ceec ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cero cerp cert cery cet- cete ceto cetp coce coco cocp coct coep coop coot cope copo copp copr copt copy cor- corc core coro corp corr cort cory cotc cote coto cott coty coyo coyr coyt cpce cpep cper cpre cprt cptp cptr crcc crce crcr cre- crec cree creo crep cret croc croe croo crop cror crot croy crpc crrt crtc crtp cry- cryo ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp cyc- cycc cypc cyre cyrt cyt- cyte cyto cyy- cyyc eccc ecce ecco ecct eco- ecop ecot ecpp ecrc ecrr ect- ectc ecto eeee eeoc eerc eero eery eetc eete eore eotc eoto epcc epec epee eper epoc epor epot eppc eppo eppp eppy epro eprp epte ercc erce ercp erec erer eret eroc eroe eroo erpe errc erre erro eryc erye etcc etco etec etee eter etoe etoy etre etro ette etto etty eyec eyer eyet eyey eyot eype eyre eyry eyte eyyr o-eo occc occt oce ocee ocet ocpp ocre ocro ocrr oct- octe octo octy oec- oecc oeec oere oeye oeyo oocr ooer oooo oore oort oory ootp ooty opec opep oper opet opo- opor oppo oppy opry opto opye orce orco ore- orec oreo orer orey oro- oroe oror orot oroy orpc orpe orro orry ortc orte orto otee otep oter oto- otoe otoo otor otoy otpp otre otro otry otte otto otyr oyce oyee oyer oyre pccc pcce pcep pcer pcoe pcpp pcrc pcre pcte pece peco pecr pect pecy peec peep peer peet peor pepe pepo per- perc pere pero perp perr pert pery pete peto petr pett pety peyo peyr poce poco poer poet poey poop poor poot pop- popc pope popo popp popt popy porc pore poro porr port pory potc pote poto pott poty poyo poyr ppcc pper pppo pppp pprc pptt ppye prcc prcp pre- prec pree prep pret prey pro- proc proe proo prop prot prtc prtp prtr ptcc pter ptop pttc pyce pyep pyet pyo- pyot pype pypy pyr- pyre pyro pyry pyte pytt rccc rcep rcet rcpo rcpt rctc rcyc recc rece recp recr rect recy reep reet reop reot repe repo repp repr rept repy rere rero rert rery rete reto retr rett rety reye rocc roce roco roer roet roey roop roor root rope ropo ropy rorc rore roro rort rory rotc rote roto rotr rott roty roye royt rpet rpoe rpyc rrrr rtcc rtce rtee rttp ryet ryot rype rytt ryyt tccc tcep tcpo tcpy tctc teco tecr tect teec teer teet teor tepe tepp ter- terc tere tero terp terr tery tete teto tetr tett teye teyr to-y toce toco toee toer toet toey toor toot top- tope topo topp topt torc tore toro torp torr tort tory totc tote toto totr tott toty toyo toyt tpcp tper tppp tppr tpte tptp tptr tpyo trcc tre- trec tree treo tret trey troc troe troo trop trot troy trpc trpe trpp trtc trte trtr try- trye tryo tryp ttcp tteo tter ttoe ttop ttoy tttt tyce tyco tyee tyer tyet typ- type typo typp typy tyr- tyre tyro tyrr tyte tyto tytt tyty yccc ycee yctc yeep yeer yeet yeot yepe yepp yere yero yerr yert yery yete yeto yett yeye yeyo yeyr yoop yoot yopo yopy yore yoro yort yory yote yott yoye yoyo ypcc ytre yyyy

-tree c-cor c-p-c c-pop c-tec ccccc ccett ccoyo ceco- cecyt ceere ceoce ceoor cepet cepot cepoy ceppo cerc- cerce cerco cerec cerer ceret cero- ceroc cerre cerro certe certy ceto- cette cetty co-co co-op cocc- cocce cocco coceo cocto coepe coete cooee cooer cooey coope coopt coopy coore coote cooty copce copec coper copey coppe coppo coppy copr- copre copro copte copto copyc copye copyr corce corcy core- coree corer corey coro- corop corot corpe corre corry corte corto cory- coter cott- cotte cotto cotty coyer coyet coyte cpctc crece crecy creep creer creo-