ennog nenog ennog nenog nneog nneog enong neong eonng oenng noeng oneng enong neong eonng oenng noeng oneng nnoeg nnoeg noneg onneg noneg onneg enngo nengo enngo nengo nnego nnego engno negno egnno genno ngeno gneno engno negno egnno genno ngeno gneno nngeo nngeo ngneo gnneo ngneo gnneo enogn neogn eongn oengn noegn onegn engon negon egnon genon ngeon gneon eognn oegnn egonn geonn ogenn goenn nogen ongen ngoen gnoen ognen gonen enogn neogn eongn oengn noegn onegn engon negon egnon genon ngeon gneon eognn oegnn egonn geonn ogenn goenn nogen ongen ngoen gnoen ognen gonen nnoge nnoge nonge onnge nonge onnge nngoe nngoe ngnoe gnnoe ngnoe gnnoe nogne ongne ngone gnone ognne gonne nogne ongne ngone gnone ognne gonne
Note: these 'words' (valid or invalid) are all the permutations of the word ennog. These words are obtained by scrambling the letters in ennog.