-ene dddd ddre dedd dede dedu deed deef deen deer defe deff defn dene denn denu der- dere derf dern derr deue deur dfer dfrf dner dred dree dref dren drue druu dudd dude dudu duer duff dufu dune dunn dure durn duru duur edde ede- eden eder edfu edrn edru edun edur eede eedu eeee eefe eefn eend efen end- ende endu ened enee ener enne ennu enue enuf enur erde erdf ered eren erer erne erre erur eude euer eur- eure fede fedn feed feen feer fefe feff fend fene fenn ferd fere fern ferr feru feud ffee ffff ffrr ffun fndd fndn fndr fnuf fred free fren frue frun fudd fude fuff fufu fund fune funf fur- fure furn furr ndde nder ndre ndrf nedd nede nedu need neef neen neer nefd nefe neff nend nene nenu nerd nere nerf nerr neru neue neuf neun neur neuu nfer nfff nnnn nren nrrd nudd nude nuee nuer nuff nune nunn nurd nure nurn nurr nuru rder redd rede redr redu reed reef reen refd refe reff refn refr refu rend rene renn renu rerd rere reru reue reuf reuu rfef rndf rred rrrr rrun rudd rude rued ruen ruer rufe ruff rund rune runf runn rurd rure ruru ruud ruun uden uder udun uend ufer uffe unde uned unee unef unen uner unfd unne unrf urde urdu ure- ured urfe urff urne urre urun urur uuen uuuu