desis edsis dseis sdeis esdis sedis deiss ediss diess idess eidss iedss dsies sdies dises idses sides isdes esids seids eisds iesds sieds iseds dessi edssi dsesi sdesi esdsi sedsi dessi edssi dsesi sdesi esdsi sedsi dssei sdsei dssei sdsei ssdei ssdei essdi sesdi essdi sesdi ssedi ssedi deiss ediss diess idess eidss iedss desis edsis dseis sdeis esdis sedis dises idses dsies sdies isdes sides eisds iesds esids seids iseds sieds dsise sdise disse idsse sidse isdse dssie sdsie dssie sdsie ssdie ssdie disse idsse dsise sdise isdse sidse sisde issde sside sside issde sisde esisd seisd eissd iessd siesd isesd essid sesid essid sesid sseid sseid eissd iessd esisd seisd isesd siesd sised issed ssied ssied issed sised
Note: these 'words' (valid or invalid) are all the permutations of the word desis. These words are obtained by scrambling the letters in desis.