-ene dddd ddre dedd dede dedu deed deen deer deet dene denn dent denu der- dere dern derr dete detn detr deue deur deut deux dex- dexe dext dner dnet dntt dnut dred dree dren dret drue drut druu dted dten dttx dtxt dudd dude dudu duer duet dune dunn dunt dure durn durt duru dute duur duut dxdr dxed dxnd dxnu dxrd dxre dxrr dxrt dxrx dxue dxur dxxr dxxx edde ede- eden eder edex edrn edru edun edur eede eedu eeee eend eent eete eetu eext end- ende endu ened enee ener enne ennu ent- entd ente entr enue enur enut er-x erde ered eren erer eret erne erre ertu erur etee eten eter etne etnr etre ette ettn ettu etun etux eude euer eur- eure eurt exed exen exer exrx exte extr ndde nder ndnt ndre ndut nedd nede nedu need neen neer neet nend nene nent nenu nerd nere nerr nert neru net- netd nete nett neue neun neur neut neuu nexe next nexx nnnn nntn nren nrrd nter nteu ntnd ntnu ntru nttr nudd nude nuee nuer nune nunn nunt nurd nure nurn nurr nurt nuru nute nutt nutu nxdn rder redd rede redr redu redx reed reen reet rend rene renn rent renu rerd rere rert reru retd rete retr rett reue reut reuu reux rexx rnnt rntd rnut rred rrrr rrun rtdt rtee rtex rtnd rudd rude rued ruen ruer ruet rund rune runn runt rurd rure ruru rute rutt rutu ruud ruun tedd tede tedx teed teen teer teet tend tene tenn tent tenu ter- tere tern terr teru tete tetr tett tetu tetx teut text tndd tnut tre- tred tree tren tret treu trex trte trtr trud true trun trut truu trux tten tter tttt tude tudu tuen tuer tuet tund tune tunn tunu turd ture turn turr turt turu tute tutt tutu txen txtr uden uder udet udun uend uext unde uned unee unen uner unne unte unut urde urdu ure- ured uret urex urne urre urte urun urur urut uter utne uttu uuen uuuu uxue x-ed xeer xen- xene xenn xenu xer- xert xexe xnee xnet xtnd xuxu xxxx