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