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