nadue andue ndaue dnaue adnue danue naude anude nuade unade aunde uande nduae dnuae nudae undae dunae udnae adune daune audne uadne duane udane nadeu andeu ndaeu dnaeu adneu daneu naedu anedu neadu enadu aendu eandu ndeau dneau nedau endau denau ednau adenu daenu aednu eadnu deanu edanu naued anued nuaed unaed auned uaned naeud aneud neaud enaud aenud eanud nuead unead neuad enuad uenad eunad auend uaend aeund eaund ueand euand nduea dnuea nudea undea dunea udnea ndeua dneua nedua endua denua ednua nueda uneda neuda enuda uenda eunda duena udena deuna eduna uedna eudna aduen dauen auden uaden duaen udaen adeun daeun aedun eadun deaun edaun auedn uaedn aeudn eaudn ueadn euadn duean udean deuan eduan uedan eudan
Note: these 'words' (valid or invalid) are all the permutations of the word nadue. These words are obtained by scrambling the letters in nadue.