nodes ondes ndoes dnoes odnes dones noeds oneds neods enods oends eonds ndeos dneos nedos endos denos ednos odens doens oedns eodns deons edons nodse ondse ndose dnose odnse donse nosde onsde nsode snode osnde sonde ndsoe dnsoe nsdoe sndoe dsnoe sdnoe odsne dosne osdne sodne dsone sdone noesd onesd neosd enosd oensd eonsd nosed onsed nsoed snoed osned soned nesod ensod nseod sneod esnod senod oesnd eosnd osend soend esond seond ndeso dneso nedso endso denso ednso ndseo dnseo nsdeo sndeo dsneo sdneo nesdo ensdo nsedo snedo esndo sendo desno edsno dseno sdeno esdno sedno odesn doesn oedsn eodsn deosn edosn odsen dosen osden soden dsoen sdoen oesdn eosdn osedn soedn esodn seodn deson edson dseon sdeon esdon sedon
Note: these 'words' (valid or invalid) are all the permutations of the word nodes. These words are obtained by scrambling the letters in nodes.