dddd ddre dedd dede dedu deed deek deer deet dek- deke der- dere derk derr dete detk detr deue deuk deur deut deux dex- dexe dext dred dree drek dret drue druk drut druu dted dtek dttx dtxt dudd dude dudu duer duet duke dukt duku dure durk durt duru dute duur duut dxdr dxed dxkr dxkt dxkx dxrd dxre dxrk dxrr dxrt dxrx dxue dxur dxxr dxxx edde ede- eder edex edru edur eede eedu eeee eeke eete eetu eext eked ekek eker eket ekur er-x erde ered erer eret erke erre ertu erur etee eter etre ette ettu etux eude euer eur- eure eurt exed exer exrx exte extr kddd kddk kddr kddx kdet kdex kdkd kdkk kdkr kdkt kdrx kdtd kdtr kdtx kdur kdut kdux kdxe kdxt kdxu kdxx kedd kede kedr kedt keed keek keer keet keke keku ker- kere kerk kerr kert keru kerx ket- ketd kete ketk ketr kett ketu ketx keur kexx kkdd kkdt kked kkex kkkk kkre kkrk kkrr kkrt kkrx kktk kktu kktx kkut kkuu kkxk kkxt kkxx krdd krde krdr krdu krdx kred kree krek kret kreu krex krkd krke krkk krkr krku krkx krre krrk krrr krrt krrx krtk krtr krtx krue kruk krur krux krxk krxr krxt krxx ktdd ktde ktdk ktdr kted ktee ktek ktex ktke ktkk ktkr ktkt ktku ktkx ktre ktrk ktrr ktrt ktru ktrx kttk kttr kttt kttu kttx ktux ktxd ktxk ktxr ktxt kudd kude kudu kued kuek kueu kuke kukk kuku kurd kure kurk kurr kurt kuru kute kutr kutt kutu kutx kuuk kuur kuuu kuxx kxdd kxdr kxed kxet kxex kxkk kxkt kxku kxkx kxre kxrk kxrr kxrx kxtd kxte kxtk kxtt kxtx kxxe kxxk kxxr kxxt kxxx rder redd rede redr redu redx reed reek reet reke rekt rerd rere rert reru retd rete retr rett reue reuk reut reuu reux rexx rred rrrr rtdt rtee rtex rudd rude rued ruer ruet ruke rukk ruku rurd rure ruru rute rutt rutu ruud tdkr tedd tede tedk tedx teed teek teer teet teke ter- tere terk terr teru tete tetr tett tetu tetx teuk teut text tre- tred tree trek tret treu trex trte trtr trud true truk trut truu trux tter tttt tude tudu tuer tuet tuke turd ture turk turr turt turu tute tutt tutu txtr uder udet uduk uext ukek ukeu ukur urde urdu ure- ured uret urex urke urre urte uruk urur urut uter uttu uuuu uxue x-ed xeer xer- xert xexe xuxu xxxx