prut pruu pten pter ptop ptrf pu-e pueo puer puet pueu puff puft pune puno punt punu pupe pupu pur- pure puro purp purr puru put- pute puto putt putu reef reen reep reet refe reff refn refr reft refu rene renn reno rent renu reof reop reot reou repe repo repp repr rept repu rere rero rert reru rete reto retr rett reue reuf reup reut reuu rfef rnnt rnot rntp rnut roen roer roet rofe roff rofo rone rono ront roof roon roop roor root rope ropo rore roro rort roru rote rotn roto rotr rott roue rouf roun roup rout rpet rpoe rpof rpon rppn rptn rrrr rrun rtee rttp ruen ruer ruet rufe ruff rufo ruft rune runf runn runo runt rupe rupp rupt rure ruro rurp ruru rute ruto rutt rutu ruun teef teen teer teet teff teft tene tenn teno tenp tent tenu teon teor tepe tepp tepu ter- tere terf tern tero terp terr teru tete teto tetr tett tetu teut tfnp tfot tfpt tftp tnef tnut toee toen toer toet toff tofo toft tofu tone tonn tono tonu toof toon toor toot top- tope topf topo topp topt topu tore torf torn toro torp torr tort toru tote toto totr tott toun toup tour tout tper tpon tppp tppr tpte tptp tptr tput tre- tree tref tren treo tret treu trfr trno troe tron troo trop trot trou trpe trpn trpp trte trtr true trun trut truu tten tteo tter ttff ttfn ttoe tton ttop tttt tuen tuer tuet tufe tuff tufo tuft tufu tune tunn tuno tunu tuor tupe tupo tupu ture turf turn turo turp turr turt turu tute tuto tutt tutu tuuo u-rp ueno ufer uffe uftp unee unef unen uner unfp unne unno unon unop unrf unro unte unto unut uofo uone uor- uore upen upne upnp upon upor uppe uppp uppu upto upup ure- uret urfe urff urft urne uro- uroo urpo urre urte urun urup urur urut utep uter utfo utne utor utto uttu uuen uuno uutf uuuu

-tree e-one e-pro e-ten eeeee eener eenet eepee eeten ef-tu efere efetf effer effet efnet efore efren efron eften efter efuru efutu enent enero enete enfer enfeu ennet ennor enone enope enore enorn enote enper enpeu enpo enron enrut enten enter ento- entre entro enuff enure enurn eofen eofor eorne eorre eoten epeen epene epone epopt epote epron eptfe epton epure ereen erept erere ernen ernet erone eroor erore eroto erron error errtu erte erter ertun erupt etern etete etnon etnre etoon etoro etour etree etrun etten etter etton eturu eunet eunoe eupen euro- europ eurre feeor feere fefor fener feneu fenne fenno fenoe fenor feoff feren feret ferno feron ferr- ferre ferro ferte feter feto- fetor fette feuer feute foner fonne fonte foone foore foote fopen fore- foren foreo foret forne forno forro forte forto forur foton fotte fotur fouee fouet fount foupe foure fouro fprot freep freer freet freon frere frett freur front froop froot frore frorn frote froup frunt frute fruto ftrtt fu-fu fuero funen funet fuorn furen furo- furor futon futop futur n-p-n neere neetu nefen nefer neffe nefre nefte nenno nente neofe neope neore neper neppe nepte nepuo neree nereo neret neron nerre nerte nerur neten netne netno neton netop nette netto neuen neuer neueu neuft neune neuou neur- neure neuro nnooo no-no no-op noerr nofee nofor nofou nofun nofut non-u nonet nonne nonno nonop nonot noone noonu noort noote nopep noppe nopun noren norne noron norro norte nortt norun noter notno noto- notof noton notre notte notto notup noune nourt nroff ntete ntone ntoro nu-nu nueno nunet nunon nunun nuoro nupen nupur nure- nurun nuton nutte o-fer oefun oeno- oenoe oeppo offen offer offof offon offre offto offun ofone ofono oforn ofoto ofour ofpop often ofter one-t onene oneno oneof oneon oneop oneor onepu onere onero oneto oneup onne- onnen onnet onoff onone onont onoon onore onorn onoto onour onout onpop onpot onten onto- ontoe ontof ontoo ontop ontur oo-er ooooo oouen openf opepe opere opnet opnto opone opper oppon opter opto- optot optto oreo- orere orero orfeo orfeu orfoe orfor ornee ornon ornot oroer orono orout orpen orret orter ortet orton ortoo orune oruro orutu otene otere otero otono ototo otour otpor otten otter ottur oture ouene ouert ounet ouoro oure- ouren ourne ourno outen outer outof outon outre outro outto p-n-p p-rep peene peent peere peert peete pene- pener penne penon penor penre pent- pente pentu penup penur peone peont pepee pepon peppe pept- pepto pepup peren perer peret perne perno pernt peron perot perou perre perro perte perto perun perur peter peton petr- petre petro petru pette petto petun petur peure pforp pneo- po-on po-po poete poner ponne ponnu ponor ponte ponto ponup pooer poope poopo poore poort poote poper popet popon popop poppe poppo popup porer poret porn- porno poro- poron porro porte porto portu porur potee poter potof poton potoo potop potor potpe potro potte potto pottu pouer pouff poune poupe poure pptnt preef preen preff prene prent preon preop prepn prete preto prntr proer profe proff proft prone proof proor proot prop- prope propn propp propr propt prore prot- proto prout prtor pruen prun- prune pruno prunt prute pter- ptere ptero ptpre ptprf ptprn ptpro ptprr ptprt ptpru puero puett punee punne punon punte punto pupet puppe puppo puree puren purer puro- purre purte puten puter putno puton putor putre putt- putte putto puttu putun putuo putup re-up reefe reeft reene reepe reere refen refer refet reffe reffo refne refut renee rener renet renfe renne renno reno- renou rente reone repen repet repno repop repor repot reppe repro reprt repun reput rere- reree reret rerun retee reter retno retnr retop retro rette retto reuen reuer reuet reune reute rnpep ro-ro roero roffe rofor ronee ronen roneo ronne ronno ronte ronto rooer roofe rooft roone roope roore roote rooue roper roppe rorer roten roter roto- roton rotor rotot rotte rotto rotun rouen rouer rouet roufe roune rount