-ene dddd ddre dedd dede dedu deed deen deer dene denn denu der- dere dern derr deue deur dner dred dree dren drue druu dudd dude dudu duer dune dunn dure durn duru duur edde ede- eden eder edrn edru edun edur eede eedu eeee eend end- ende endu ened enee ener enne ennu enue enur erde ered eren erer erne erre erur eude euer eur- eure ndde nder ndre nedd nede nedu need neen neer nend nene nenu nerd nere nerr neru neue neun neur neuu nnnn nren nrrd nudd nude nuee nuer nune nunn nurd nure nurn nurr nuru rder redd rede redr redu reed reen rend rene renn renu rerd rere reru reue reuu rred rrrr rrun rudd rude rued ruen ruer rund rune runn rurd rure ruru ruud ruun uden uder udun uend unde uned unee unen uner unne urde urdu ure- ured urne urre urun urur uuen uuuu