duur duut duyr dycd dyce dycu dydd dyde dyed dyep dyer dyey dyo- dyoo dyor dyot dyou dyr- dyrc dyre dyro dyrt dyru dyt- dytc dyty dyur dyyr eccc ecce ecco ecct ecdc eced eco- ecod ecop ecot ecou ecpd ecpp ecrc ecrr ecru ect- ectc ecto ecyd eddc edde eddo eddp eddy ede- eder edoc edod edou edru educ edup edur eede eedu eeee eeoc eerc eero eery eetc eete eetu eocd eode eore eotc eotd eoto epcc epec epee eper epoc epod epor epot eppc eppo eppp eppy epro eprp epte ercc erce ercp erde erec ered erer eret eroc erod eroe eroo erpe errc erre erro ertu eruc erur eryc erye etcc etco etec etee eter etoe etoy etre etro ette etto ettu etty eucd eude euer eur- eurc eure euro eurt eury eyec eyed eyer eyet eyey eyot eype eyre eyry eyte eyup eyyr o-eo occc occt oce oced ocee ocet ocpd ocpp ocre ocro ocrr oct- octe octo octy ocur oddd oddy oded odeo oder odet odoo odop odor odot odou odrp odry odtu odur odyr oec- oecc oedo oeec oere oeye oeyo oocr ooer oooo oord oore oort oory ootp ooty opec oped opep oper opet opo- opor oppo oppy opry opto opye orce orco orde ordo ordu ore- orec ored oreo orer orey oro- oroe oror orot oroy orpc orpe orro orry ortc orte orto orup otcd oted otee otep oter oto- otoe otoo otor otoy otpp otre otro otry otte otto ottu otur otyr oucc oudc oude oued ouer oupe our- oure ouro ourt out- oute outo outy ouu- ouyr oyce oyee oyer oyeu oyou oyre pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pcte pdcp pdoc pdpr pdrc pdtc pece peco pecr pect pecy ped- pede pedo peec peed peep peer peet peor peou pepd pepe pepo per- perc perd pere pero perp perr pert peru pery pete peto petr pett pety peur peut peyo peyr pocd poce poco pod- podd pode podo podu pody poed poer poet poey pood poop poor poot pop- popc pope popo popp popt popy porc pore poro porr port pory potc potd pote poto pott potu poty poud poup pour pout pouy poyo poyr ppcc ppcd pper ppod pppd pppo pppp pprc ppru pptt ppur ppye prcc prcd prcp pre- prec pred pree prep pret preu prey pro- proc prod proe proo prop prot prou prpd prrd prtc prtp prtr prud prue prut pruu ptcc ptdc pter ptop ptpd ptrd pttc pu-e puce pudo pudu pued pueo puer puet pueu puoy pupe pupu pupy pur- pure puro purp purr puru pury put- pute puto putt putu puuc puy- puyo puyt pyce pyde pyed pyep pyet pyo- pyot pype pypy pyr- pyre pyro pyry pyte pytt rccc rcdc rcde rcep rcet rcpd rcpo rcpt rcrd rctc rcyc rder rdoc rdpc recc recd rece recp recr rect recu recy redc redd rede redo redr redu redy reed reep reet reod reop reot reou repe repo repp repr rept repu repy rerd rere rero rert reru rery retd rete reto retr rett rety reue reup reut reuu reyd reye rocc roce roco rodd rode rodo rody roed roer roet roey rood roop roor root rope ropo ropy rorc rore roro rort roru rory rotc rote roto rotr rott roty roud roue roup rout rouy royd roye royt rpdp rpet rpoe rptd rpyc rred rrrr rtcc rtce rtdt rtee rttp ruce ruct rudd rude rudo rudp rudy rued ruer ruet ruoy rupe rupp rupt rupy rurc rurd rure ruro rurp ruru rute ruto rutt rutu ruty ruud ruyd ryde rydy ryet ryot rype rytt ryue ryyt tccc tccu tcdd tcep tcpo tcpy tctc tdor teco tecr tect tedd tede tedy teec teed teer teet teor tepe tepp tepu ter- terc tere tero terp terr teru tery tete teto tetr tett tetu teut teye teyr to-y toce toco todd tode todo todt todu tody toed toee toer toet toey tood toor toot top- topd tope topo topp topt topu torc tord tore toro torp torr tort toru tory totc totd tote toto totr tott toty toup tour tout toyo toyt tpcd tpcp tpdu tped tper tppd tppp tppr tpte tptp tptr tput tpyo trcc tre- trec tred tree treo tret treu trey troc trod troe troo trop trot trou troy trpc trpe trpp trtc trte trtr truc trud true trut truu try- trye tryo tryp ttcp tteo tter ttoe ttop ttoy tttt ttyd tucc tuco tude tudu tuer tuet tuey tuor tupe tupo tupu tupy turc turd ture turo turp turr turt turu tury tute tuto tutt tutu tuty tuuo tuye tyce tyco tydd tyde tydy tyee tyer tyet typ- type typo typp typy tyr- tyre tyro tyrr tytd tyte tyto tytt tyty tyup u-rp uccp ucdc ucdd ucrc ucut uder udet udoo udop udot udpd uocc uor- uore updo uped upor uppc uppe uppp uppu uppy upto upup urcy urde urdu urdy ure- ured uret urey uro- uroo urpo urre urry urte urup urur urut utec utep uter utor utoy utpd utto uttu uucp uuoc uuuu uydo uyre yccc ycee yctc ydee ydre ydyt ye-u yedd yede yedo yeed yeep yeer yeet yeot yepd yepe yepp yerd yere yero yerr yert yery yete yeto yett yeue yeye yeyo yeyr yode yodo yood yoop yoot yopo yopy yord yore yoro yort yory yote yott youd youe youp your yout yoye yoyo ypcc yput ytre yuce yude yudo yudu yued yuer yurd yure yurt yury yute yuto yutu yuty yuye yuyu yyyy

-tree c-cor c-dot c-p-c c-pop c-tec ccccc ccett ccoyo cduce ceco- cecyt ceddo ceded ceder cedor cedr- cedre cedro cedry cedyr ceede ceedo ceere ceoce ceoor cepet cepot cepoy ceppo cerc- cerce cerco cerdo cerec cered cerer ceret cero- ceroc cerou cerre cerro certe certy ceto- cetpd cette cetty co-co co-ed co-op cocc- cocce cocco coceo cocto cocur cocuy codco codde coddy codec coded coder codo codru coepe coete coeur coode cooed cooee cooer cooey coope coopt