menod emnod mneod nmeod enmod nemod meond emond moend omend eomnd oemnd mnoed nmoed moned omned nomed onmed enomd neomd eonmd oenmd noemd onemd mendo emndo mnedo nmedo enmdo nemdo medno emdno mdeno dmeno edmno demno mndeo nmdeo mdneo dmneo ndmeo dnmeo endmo nedmo ednmo denmo ndemo dnemo meodn emodn moedn omedn eomdn oemdn medon emdon mdeon dmeon edmon demon moden omden mdoen dmoen odmen domen eodmn oedmn edomn deomn odemn doemn mnode nmode monde omnde nomde onmde mndoe nmdoe mdnoe dmnoe ndmoe dnmoe modne omdne mdone dmone odmne domne nodme ondme ndome dnome odnme donme enodm neodm eondm oendm noedm onedm endom nedom ednom denom ndeom dneom eodnm oednm edonm deonm odenm doenm nodem ondem ndoem dnoem odnem donem
Note: these 'words' (valid or invalid) are all the permutations of the word menod. These words are obtained by scrambling the letters in menod.