prii pro- proe prog proo prop prot prou prri prti prtp prtr prue prut pruu pter ptop ptui pu-e pueo puer puet pueu pugo pugu puig puir puit puiu pupe pupi pupu pur- pure purg puri puro purp purr puru put- pute puti puto putt putu reep reet rege regi rego regr regt regu reii reir reit reiu reog reop reot reou repe repi repo repp repr rept repu rere rerg reri rero rert reru rete reti reto retr rett reue reup reut reuu rgit rgtr riep rier riet rieu rige rigg rigi rigo rigu riot riou ripe ripi ripp ripr ript rire riri rite riti rito ritt ritu riue roeg roer roet roge rogg rogi rogo roig roio roir roit roiu roog rooi roop roor root rope ropo rore rori roro rort roru rote rotg roti roto rotr rott roue roup rout rpet rpii rpoe rrrr rtee rtei rttp ruer ruet ruge rugg rugi ruit rupe rupp rupt rure ruri ruro rurp ruru rute ruti ruto rutt rutu teer teet tegg tegi tego tegt tegu teie teip teir teiu teor tepe tepi tepp tepu ter- tere teri tero terp terr teru tete teti teto tetr tett tetu teut tie- tiee tiei tieo tiep tier tiet tige tigi tigr tiit tiiu tiop tiou tip- tipe tipi tipo tipp tipt tipu tire tiri tiro tirr tiru tite titi tito titp titt titu toee toei toer toet toge togo togr togt toie toit toor toot top- tope topi topo topp topt topu tore torg tori toro torp torr tort toru tote toti toto totr tott toug toui toup tour tout tpeg tper tpir tppp tppr tpte tptp tptr tput tre- tree treg trei treo tret treu trge tri- trie trig trio trip trit troe trog troi troo trop trot trou trpe trpg trpp trte trtr true trug trut truu tteo tter ttoe ttop tttt tuei tuer tuet tugg tugu tuig tuit tuiu tuor tupe tupi tupo tupu ture turg turi turo turp turr turt turu tute tuti tuto tutt tutu tuuo u-ie u-rp ueir uepi ugeo ugep uggo uggt ugri ugro ugur uguu uige uipi uirr uor- uore upgo upie upor uppe uppp uppu upri upto upup ure- uret urge urgi urgu urie uriu uro- uroo urpo urre urri urte urup urur urut utep uter utor utri utti utto uttu utug uuri uuuu

-tree e-pro eeeee eepee eerie eetti egger eggie eggig egio egret eieio eiger eipri eirie eiter eitri eorre epopt epote eppie epure erege erept erere ergo- ergot erier erio- erite eritu eroge eroor erore eroto error errtu erte erter ertug erugo erupt etete etio- etite etoro etour etree etrog etter ettie eturu euro- europ eurre geere geert geete geeup gegge geier geige geire geite geitt geiue geoop georg gepir gepiu geppo gerre gerri gertt getee geter getgo getit gette getti getto getup giger gigge gigot gigue giitu giour gippe gippi gippo girei girru gitgo gitie gitig gitit go-go go-oo go-op go-to goget gogoi gogro gogue gogui goito googe goore goote goout goper goppe gopro goree gorer gorge gorgo gorie gorir gorre goter gotit gotoo gotop gotor gotri gotti gotto gotup gotur gouet gouge goure greer greet grege gregg grego greig greip greit greot grepe grepo grete grett greup greut grgur grieg grier griet grigg griot gripe gript grite groet groge grogg groit groop groot grope gropp grote grott groue group grout grrrr gruit gruiu grure gruut gtrot guere guero guggi gugir guige guiot guipp guire guiri guiro guite guoge gupti gurge gurgi gurit guroo gurre gurro gurur gutte gutti ieiri iepe ieper ierei ieroe iette iggri igigi igort igoto iiiee iiiii iitti ioooi ioooo iorio iotit iotti iperu ipeti ipiti ipopt iport ipour ippee ippei iregi irepo irete irite irori irour irreg irrep irrit irupi itero itete itget itigi itire itour itout itpro itrip itter ittoo ittre ittti itu-r itu-t ituri ituro ituru itutu iuput iurie oeiro oeppo oggie ogier ogiri ogogo ogugu oguri oirot oitti oo-er oogie ooioo ooooo oorie opepe opere opier opiet opio- opir opito opper oppie opter optio opto- optot optto oreo- oreoi orere orero orgie orgue origi origo orito oroer oropi orout orpit orret orrgo orter ortet ortoo oruro orutu otego otere oteri otero otori ototo otour otpor otter ottir ottoi ottur oture ouert ouigo ouir- ouoro oure- ourie outer outgo outie outre outro outto p-rep peege peere peeri peert peete peire peirt pepee pepoi peppe peppi pept- pepto pepup perer peret perge pergo peri- perie perio perit perot perou perre perri perro perte perti perto perur peter petie petit petr- petre petri petro petru pette petti petto petur peure pgrep piere pieri piero piert pieup pigge pigit pigot pigou piiri piotr piper pipet pipge pipit pippi pippo pipri pirgu pirie pirog pirot pirou pirre pirri pirro pirui piter pitie pitio pitip pitot pitre pitri pitru pitti pitto piuri piuro piuru piute po-po poeir poete poeti pogge poggi pogie pogue poiet poipu poire poite pooer poope poopo poore poori poort poote poper popet popoi popop poppe poppi poppo popup porer poret porge porgo poro- porog poroi porri porro porte porto portu porur potee poter potoo potop potor potpe potro potte potti potto pottu pouer poupe poure prego preie preop prepg prete preti preto prier priit prior prite priti pritt proer progg proor proot prop- prope propp propr propt prore prot- proti proto prout prtor prute pter- ptere pteri ptero ptgui ptpre ptprg ptpro ptprr ptprt ptpru pueri puero puett puget puggi pugio pugot pupet puppe puppo pupri puree purer purge purie purio puro- purre purte puter putit putor putre putt- putte putti putto puttu putuo putup puugi puuri re-up reege reepe reere reeti reger reget regge reggo regie regii regio regtt regur regut reigi reorg reoti repeg repet repit repop repor repot reppe repro reprt reput rere- reree reret rerig rerip rerir retee reter retgo retie retip retop retrg retro rette retto reuer reuet reuir reute reuti rieti rig-i riget rigio rigor rigot rigup riper ripio ripit rippe ripup ririe rirpu riuer ro-ro roero