dddd ddre dedd dede dedu deed deer deet dehu der- dere derr dete deth detr deue deur deut dhed dhee dher dhur dred dree dreh dret drue drut druu dted dthd dudd dude dudu duer duet duhe duhr duhu dure durt duru dute duur duut edde ede- edeh eder edru edur eede eedu eeee eete eeth eetu ehdd eheh eher eheu ehre ehte ehud erde ered erer eret erhu erre erth ertu eruh erur etee eter eth- ethe etre ette ettu eude euer eur- eure eurt euth hdtt hedd hede heed heer heet hehe herd here herr hert heru hete heth hett hetu heue heur hhhh hree hrte hrud htet httr hudd hude hudu hued huer huet huhu hurd hure hurr hurt huru hute huth hutt hutu rder redd rede redh redr redu reed reet rehe reht rerd rere rert reru retd rete reth retr rett reue reut reuu rhee rhet rhue rred rrrr rtdt rtee rudd rude rued ruer ruet ruhe ruhh ruhr rurd rure ruru rute ruth rutt rutu ruud tedd tede teed teer teet tehr ter- tere terr teru tete teth tetr tett tetu teut thdr the- thed thee ther thet theu thre thru thtr thud thue thur tre- tred tree tret treu trte trtr trud true trut truu tter tttt tude tudu tuer tuet tuht tuhu turd ture turr turt turu tute tutt tutu uder udet uh-d uhde uher uhuh urde urdu ure- ured ureh uret urre urrh urte urth urur urut uter uthe uttu uuuu