-tree eeeee ef-tu efere efetf effer effet efore efter efuru efutu egger egret eofor eorre erege erere ergo- ergot eroge eroor erore eroto error errtu erte erter ertug erugo etete etoro etour etree etrog etter eturu euro- eurre feeor feere fefor fegue feoff feret ferr- ferre ferro ferte feter feto- fetor fette feuer feuge feute foggo fogou fogue foore foote fore- foreo foret forge forgo forro forte forto forur fotte fotur fouee fouet fouge fougo foure fourg fouro freer freet frege frere frett freur froot frore frote frugo frute fruto ftrtt fu-fu fuego fuero fugee fuger fugro fugue fugug furo- furor futog futur geere geert geete gefte gegge geoff georg gerre gertt geruf getee geter getgo gette getto go-go go-oo go-to gofer goffe gofor goget gogro gogue gooff googe goore goote goout goree gorer gorge gorgo gorre goter gotoo gotor gotto gotur gouet goufe gouge goure greef greer greet grefe greff grege gregg grego greot grete grett greut grftr grgur groet grofe groff groge grogg groof groot grote grott groue grouf grout grrrr grufe gruff gruft grure gruut gtrot guere guero guoge gurge guroo gurre gurro gurur gutte o-fer offer offof offre offto ofget ofoto ofour ofter ogogo ogugu oo-er ooooo oreo- orere orero orfeo orfeu orfoe orfor orgue oroer orout orret orrgo orter ortet ortoo oruro orutu otego otere otero ototo otour otter ottur oture ouert ouoro oure- outer outgo outof outre outro outto reefe reeft reege reere refer refet reffe reffo refut reger reget regge reggo regtt regur regut reorg rere- reree reret retee reter retgo retrg retro rette retto reuer reuet reute ro-ro roero roffe rofor roger roget rogge rogue rooer roofe rooft rooge roore roote rooue rorer roter rotge roto- rotor rotot rotte rotto rouer rouet roufe rouge roure route routt ruegg ruere ruete ruffe ruffo rufo- ruger ruget rugge ruter rutog rutte ruutu teege tefe tegre tegur teret tereu terge tergo tergu teror terre terro tert- teruo teter tetr- tetro tette teuge teuto to-go toego toeof toerr toeto tofet toffo tofor tofte toget togge togou togue toore toreo toret torgo torog torre torro torte torto tortu torue toter toto- totoe totoo totte tougu toure touro toute treer treet trefe treff treg- trego trere trete trett treut troee trofe troff troft trott troue trout truer truff trugg trugo truro trute ttttt tuero tuffe tufte tugof tugou tuotu turet turgo turot turre turro turtu turut tutee tuteo tutor tutte tutto tuuru ufere ufofu ugoff ugro- ugrug uouee ureo- urger urgut urour urter urutu uter- utero utro- utror utter uttur uturu ututo uuuuu