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