sines isnes snies nsies inses nises siens isens seins esins iesns eisns sneis nseis senis esnis nesis ensis iness niess ienss einss neiss eniss sinse isnse snise nsise insse nisse sisne issne ssine ssine issne sisne snsie nssie ssnie ssnie nssie snsie insse nisse isnse sinse nsise snise siesn isesn seisn esisn iessn eissn sisen issen ssien ssien issen sisen sesin essin ssein ssein essin sesin iessn eissn isesn siesn esisn seisn snesi nsesi sensi esnsi nessi enssi snsei nssei ssnei ssnei nssei snsei sesni essni sseni sseni essni sesni nessi enssi nsesi snesi esnsi sensi iness niess ienss einss neiss eniss inses nises isnes sines nsies snies iesns eisns isens siens esins seins nesis ensis nseis sneis esnis senis
Note: these 'words' (valid or invalid) are all the permutations of the word sines. These words are obtained by scrambling the letters in sines.