oort ootp opec open opep oper opet opo- opon opor oppo optn opto orce orco ore- orec oren oreo orer ornc orne orno oro- oroe oron oror orot orpc orpe orro ortc orte orto orup otee oten otep oter oto- otoe oton otoo otor otpp otre otro otte otto ottu otur oucc ouen ouer oun- oune oupe our- oure ourn ouro ourt out- oute outo ouu- pccc pcce pcep pcer pcnt pcoe pcpn pcpp pcrc pcre pcte pcun pece peco pecr pect peec peen peep peer peet pen- penc pene penn peno pent penu peon peor peou pepe pepo per- perc pere pern pero perp perr pert peru pete petn peto petr pett peun peur peut pnec pnet pneu pnon pnot pnpo pnpp pnro pntr pnup poce poco poer poet ponc pone pono ponp pont poon poop poor poot pop- popc pope popo popp popt porc pore porn poro porr port potc pote poto pott potu poun poup pour pout ppcc ppen pper pppn pppo pppp pprc ppru pptn pptt ppur prcc prcp pre- prec pree pren prep pret preu prnp pro- proc proe pron proo prop prot prou prtc prtp prtr prue prut pruu ptcc pten pter ptop pttc pu-e puce pueo puer puet pueu punc pune puno punt punu pupe pupu pur- pure puro purp purr puru put- pute puto putt putu puuc rccc rcep rcet rcnr rcon rcpo rcpt rctc recc rece recp recr rect recu reen reep reet rene renn reno rent renu reop reot reou repe repo repp repr rept repu rere rero rert reru rete reto retr rett reue reup reut reuu rnco rncp rnnt rnot rntp rnut rocc roce roco roen roer roet ronc rone rono ront roon roop roor root rope ropo rorc rore roro rort roru rotc rote rotn roto rotr rott roue roun roup rout rpet rpoe rpon rppn rptn rrrr rrun rtcc rtce rtee rttp ruce ruct ruen ruer ruet runc rune runn runo runt rupe rupp rupt rurc rure ruro rurp ruru rute ruto rutt rutu ruun tccc tccu tcep tcnn tcon tcpo tctc teco tecr tect teec teen teer teet tenc tene tenn teno tenp tent tenu teon teor tepe tepp tepu ter- terc tere tern tero terp terr teru tete teto tetr tett tetu teut tncc tnut toce toco toee toen toer toet tone tonn tono tonu toon toor toot top- tope topo topp topt topu torc tore torn toro torp torr tort toru totc tote toto totr tott toun toup tour tout tpcp tper tpon tppp tppr tpte tptp tptr tput trcc tre- trec tree tren treo tret treu trno troc troe tron troo trop trot trou trpc trpe trpn trpp trtc trte trtr truc true trun trut truu ttcn ttcp tten tteo tter ttoe tton ttop tttt tucc tuco tuen tuer tuet tunc tune tunn tuno tunu tuor tupe tupo tupu turc ture turn turo turp turr turt turu tute tuto tutt tutu tuuo u-rp uccp ucon ucrc ucut ueno uncc unce unco uncp unct unec unee unen uner unne unno unon unop unpc unro unte unto unut uocc uone uor- uore upen upne upnp upon upor uppc uppe uppp uppu upto upup ure- uret urne uro- uroo urpo urre urte urun urup urur urut utec utep uter utne utor utto uttu uucp uuen uuno uuoc uuuu

-tree c-cor c-one c-p-c c-pop c-tec ccccc ccett ccnet ceco- cecon cecun ceene ceere cence ceneu ceno- cenon cenpn cenpo cenpt cent- cento centr ceoce ceoor ceorn cepet cepno cepot ceppo cerc- cerce cerco cerec ceren cerer ceret cerne cerno cero- ceroc ceron cerou cerre cerro certe ceten ceto- ceton cette cetun cneru cnnnn cnote cntrc co-co co-np co-op cocc- cocce cocco coceo cocon cocto cocur coen- coepe coete coeur conco concr coner conne connu cono- conon conop conor conte contn conto contr contu cooee cooer coone coope coopt coore coote copce copec copen coper coppe coppo copr- copre copro copte copto copur coput corce core- coree coren corer coreu corne corno cornu coro- coron corop corot corpe corre corte corto corun coter coton cott- cotte cotto cottu couco couer count coupe coure court couru couto coutu cpctc crece creen creep creer cren- creo- creon creop creot crepe crept crepu crete cretu creu- creue creup crnce crnec crner croce croco crone crooe croon croop croot cropc crope cropo crore crote crott croun croup crout cruce cruet crune crunt cruor crupe crure cteep cten- ctene cteno ctree cttee cuero cueto cueup cunco cuneo cunne cunt- cunut cuoco cuore cuper cupon cupr- cupro curce curer curet curno curre curro curto curup cutco cutcu cutee cuter cutno cuton cutro cutto cutup e-one e-pro e-ten eccen eccup econo ecorp ecto- ecton ector ectot eeeee eence eener eenet eepee eeten encre encup encur eneco enent enero enete ennet ennor enone enope enore enorn enote enper enpeu enpo enron enrut enten enter ento- entre entro enure enurn eorne eorre eoten epcot epeen epene eperc epone epopt epote epron epton epure erect ereen erept erere ernen ernet erone eroor erore eroto erron error errtu erte erter ertun eruct erupt etern etete etnon etnre etoon etoro etour etree etrun etten etter etton eturu eucen eucre eunet eunoe eupen euro- europ eurre n-p-n ncree necco necr- necro nect- necto neece neere neetu nenno nente neope neore neper neppe nepte nepuo nerco neree nereo neret neron nerre nerte nerur netco neten netne netno neton netop netpc nette netto neuen neuer neueu neune neuou neur- neure neuro nnooo no-no no-op nocer nocet noct- nocte nocto nocut noerr non-u nonce nonet nonne nonno nonop nonot nonpc noone noonu noort noote nopep noppe nopun norce norco noren norne noroc noron norro norte nortt norun notec noter notno noto- noton notpc notre notte notto notup noune nourt nrotc ntete ntone ntoro nu-nu nucet nucor nueno nunce nunet nunon nunun nuoro nupen nupur nurce nure- nurun nutec nuton nutte occur oceno ocoee ocorn ocote ocree octet octo- octon octor oeco- oeno- oenoe oeppo oncee oncer oncet onco- oncre oncue one-t onene oneno