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