dusea udsea dsuea sduea usdea sudea duesa udesa deusa edusa uedsa eudsa dseua sdeua desua edsua sedua esdua useda sueda uesda eusda seuda esuda dusae udsae dsuae sduae usdae sudae duase udase dause aduse uadse audse dsaue sdaue dasue adsue sadue asdue usade suade uasde ausde saude asude dueas udeas deuas eduas uedas eudas duaes udaes daues adues uades audes deaus edaus daeus adeus eadus aedus ueads euads uaeds aueds eauds aeuds dseau sdeau desau edsau sedau esdau dsaeu sdaeu daseu adseu sadeu asdeu deasu edasu daesu adesu eadsu aedsu seadu esadu saedu asedu easdu aesdu usead suead uesad eusad seuad esuad usaed suaed uased aused saued asued ueasd euasd uaesd auesd eausd aeusd seaud esaud saeud aseud easud aesud
Note: these 'words' (valid or invalid) are all the permutations of the word dusea. These words are obtained by scrambling the letters in dusea.