nanen annen nnaen nnaen annen nanen naenn anenn neann enann aennn eannn nnean nnean nenan ennan nenan ennan anenn naenn aennn eannn neann enann nanne annne nnane nnane annne nanne nanne annne nnane nnane annne nanne nnnae nnnae nnnae nnnae nnnae nnnae annne nanne annne nanne nnane nnane naenn anenn neann enann aennn eannn nanen annen nnaen nnaen annen nanen nenan ennan nnean nnean ennan nenan aennn eannn anenn naenn enann neann nnena nnena nenna ennna nenna ennna nnnea nnnea nnnea nnnea nnnea nnnea nenna ennna nnena nnena ennna nenna nenna ennna nnena nnena ennna nenna anenn naenn aennn eannn neann enann annen nanen annen nanen nnaen nnaen aennn eannn anenn naenn enann neann nenan ennan nnean nnean ennan nenan
Note: these 'words' (valid or invalid) are all the permutations of the word nanen. These words are obtained by scrambling the letters in nanen.