-tree eeeee ef-tu efere efetf effer effet efore efter efuru efutu ehret eofor eorre erere eroor erore eroto error errtu erte erter erthe etete ether etho- etoro etour etree etter eturu euro- eurre feeor feere fefor feher feoff feret ferr- ferre ferro ferte ferth feteh feter feto- fetor fette feuer feute foore foote fore- foreh foreo foret forro forte forth forto foruh forur fotte fotur fouee fouet foure fourh fouro fouth freeh freer freet frere frett freur froot frore frote froth frute fruto ftrtt fu-fu fuero furo- furor furth futuh futur he-he he-ro heere heete hefer heffe hefte hehte heore heroe herre herro herte herth herto hertu herur herut heter hethe hette hetto hetur heuer heure heurt heute hheth hhhhh hhour ho-ho ho-oh hoeft hofer hofte hofuf hohoe hohot hooer hooft hoore hoort horhe horre horro horru horth horto hothe hothr hotot hotte hotto houff houre houtu hrere hthrt htree huere huete huffe huhuh hureh hurre hurtt hurtu hutor hutte hutto huttu huuru o-fer oerth offer offof offre offto ofher ofoto ofour ofter ofthe oh-oh ohfoo ohour ohrot ohthe oo-er ooher ooooh ooooo oothe oreo- orere orero orfeh orfeo orfeu orfoe orfor oroer orout orret orter ortet orth- orthe ortho ortoo oruro orutu otere otero other othou othre othur ototo otour otter ottur oture ouert ouhte ouoro oure- outer outof outre outro outto reefe reeft reere reerh reeth refer refet reffe reffo refut reher rehet rehoe rehue rere- reree reret retee reter rethe retro rette retto reuer reuet reute reuth rheo- rhett rhoeo ro-ro roero roffe rofor rohff rohru rooer roofe rooft roore roote rooue rorer roter rothe rotho roto- rotor rotot rotte rotto rouer rouet roufe rouhe roure route routh routt ruere ruete rueth ruffe ruffo rufo- ruteh ruter ruthe ruthu rutte ruuth ruutu teeth tefe tehee teret tereu teror terre terro tert- teruo teter tethe tetr- tetro tette teuhe teuto theef theer theeu theft theo- theof theor ther- there therf thero thete theth theue thofe thoff thoft thore thoro thorr thort thoru thoth thour thout thre- three thref threo thret threu throe throo throt throu thrue thuet thuff thure thurf thurt thuru thute to-ho toeof toerr toeto tofet toffo tofor tofte toher tohoe tohot toore tooth toreo toret torht torre torro torte torto tortu torue toter tothe toto- totoe totoo totte touho toure touro toute treer treet trefe treff trere trete trett treut troee trofe troff troft troth trott troue trout truer truff truro trute truth ttttt tuero tuffe tufte tuhte tuotu tureh turet turot turre turro turtu turut tutee tuteo tutor tutte tutto tuuru ufere ufofu uh-ee uh-oh uh-uh uhhoh uhhuh uhuru uouee ureo- urour urter urthe urutu uter- utero uther utro- utror utter uttur uturu ututo uuuuu