deens edens deens edens eedns eedns denes ednes dnees ndees endes nedes denes ednes dnees ndees endes nedes eends eends eneds needs eneds needs deesn edesn deesn edesn eedsn eedsn desen edsen dseen sdeen esden seden desen edsen dseen sdeen esden seden eesdn eesdn esedn seedn esedn seedn dense ednse dnese ndese endse nedse desne edsne dsene sdene esdne sedne dnsee ndsee dsnee sdnee nsdee sndee ensde nesde esnde sende nsede snede dense ednse dnese ndese endse nedse desne edsne dsene sdene esdne sedne dnsee ndsee dsnee sdnee nsdee sndee ensde nesde esnde sende nsede snede eensd eensd enesd neesd enesd neesd eesnd eesnd esend seend esend seend ensed nesed esned sened nseed sneed ensed nesed esned sened nseed sneed
Note: these 'words' (valid or invalid) are all the permutations of the word deens. These words are obtained by scrambling the letters in deens.