doex odex deox edox oedx eodx doxe odxe dxoe xdoe oxde xode dexo edxo dxeo xdeo exdo xedo oexd eoxd oxed xoed exod xeod
Note: these 'words' (valid or invalid) are all the permutations of the word doex. These words are obtained by scrambling the letters in doex.