dunam udnam dnuam nduam undam nudam duanm udanm daunm adunm uadnm audnm dnaum ndaum danum adnum nadum andum unadm nuadm uandm aundm naudm anudm dunma udnma dnuma nduma undma nudma dumna udmna dmuna mduna umdna mudna dnmua ndmua dmnua mdnua nmdua mndua unmda numda umnda munda nmuda mnuda duamn udamn daumn adumn uadmn audmn duman udman dmuan mduan umdan mudan damun admun dmaun mdaun amdun madun uamdn aumdn umadn muadn amudn maudn dnamu ndamu danmu adnmu nadmu andmu dnmau ndmau dmnau mdnau nmdau mndau damnu admnu dmanu mdanu amdnu madnu namdu anmdu nmadu mnadu amndu mandu unamd nuamd uanmd aunmd naumd anumd unmad numad umnad munad nmuad mnuad uamnd aumnd umand muand amund maund namud anmud nmaud mnaud amnud manud
Note: these 'words' (valid or invalid) are all the permutations of the word dunam. These words are obtained by scrambling the letters in dunam.