syens ysens seyns esyns yesns eysns synes ysnes snyes nsyes ynses nyses senys esnys sneys nseys ensys nesys yenss eynss yness nyess enyss neyss syesn ysesn seysn esysn yessn eyssn sysen yssen ssyen ssyen yssen sysen sesyn essyn sseyn sseyn essyn sesyn yessn eyssn ysesn syesn esysn seysn synse ysnse snyse nsyse ynsse nysse sysne yssne ssyne ssyne yssne sysne snsye nssye ssnye ssnye nssye snsye ynsse nysse ysnse synse nsyse snyse sensy esnsy snesy nsesy enssy nessy sesny essny sseny sseny essny sesny snsey nssey ssney ssney nssey snsey enssy nessy esnsy sensy nsesy snesy yenss eynss yness nyess enyss neyss yesns eysns ysens syens esyns seyns ynses nyses ysnes synes nsyes snyes ensys nesys esnys senys nseys sneys
Note: these 'words' (valid or invalid) are all the permutations of the word syens. These words are obtained by scrambling the letters in syens.