-hou eeee eefe eero eete eeth eetu efeo efet efor eft- eftu eheh eher eheu ehre ehte ejer ejoo ejot eore eoto erer eret erft erhu eroe eroo erre erro erth ertu eruh erur etee eter etfe eth- ethe etho etoe etoh etre etro ette etto ettu euer eur- eure euro eurt euth feer feet fefe feff fefo fehr fehu feof feoh fere fero ferr fert feru fete feth fetr fett fetu ffee ffff ffrr fftf foer fofo fohr foje foof foot for- fore forj foro forr fort fote foth foto fott four fout free freo fret froe froh frot frou frue fter fuet fuff fufu fuor fur- fure furo furr furt fute futo futu heef heer heet hefe heft hehe heho heor heou here hero herr hert heru hete heth heto hett hetu heue heur hhhh hhof hoer hofe hoff hofu hohe hoho hoje hojo hoju hooe hoof hoor hoot hore horo horr hort hote hoth hoto hotr hott hotu houe houf hour hout hree hrte htet htoh httr huer huet hufe huff hufu huhu huje huor huot hure huro hurr hurt huru hute huth huto hutt hutu j-ro jeer jeet jefe jeff jehu jeju jere jero jert jeru jete jeth jett jeur jfet jftr joee jofr joho jojo joof joor joot jore jorf joro jort joto jott jour jruh jtrh juho juhu juju jure jurr jute o-eo oere oeuf ofer off- offe offh offo offr offu ofor ofre ohee oher ohho ohoh ohre ohte ohto ohtu ojeh ojeu ooer ooff ooho oooh oooo oore oort ore- oreh oreo orer orfe orff orfu orhe oro- oroe orof oror orot orro orte orth orto oruj otee oter othe otho othr oto- otoe otof otoh otoo otor otre otro otte otto ottu otur ouer oufe ouff ouju our- oure ouro ourt out- oute outh outo ouu- reef reet refe reff refr reft refu rehe reht reof reot reou rere rero rert reru rete reth reto retr rett reue reuf reut reuu rfef rhee rheo rhet rhoh rhoj rhue roer roet rofe roff rofo rohe rohr rohu roje rojo roof roor root rore roro rort roru rote roth rotj roto rotr rott roue rouf rouh rout rrrr rtee ruer ruet rufe ruff rufo ruft ruhe ruhh ruhr rure ruro ruru rute ruth ruto rutt rutu teef teej teer teet teff teft teho tehr tejo teju teoh teor ter- tere terf terj tero terr teru tete teth teto tetr tett tetu teut tfot the- thee thef theo ther thet theu thoe thof thoo thor thot thou thre thro thru thtr thue thur toee toeh toer toet toff tofo toft tofu toho tohu tojo toof tooh toor toot tore torf toro torr tort toru tote toth toto totr tott touh tour tout tre- tree tref treo tret treu trfr troe troo trot trou trte trtr true trut truu tteo tter ttff ttoe tttt tuer tuet tufe tuff tufo tuft tufu tuht tuhu tuor ture turf turo turr turt turu tute tuto tutt tutu tuuo ufer uffe uher uhoh uhuh uofo uor- uore ure- ureh uret urfe urff urft urho uro- uroo urre urrh urte urth urur urut uter utfo uthe utor utto uttu uutf uuuu