fwom wfom fowm ofwm wofm owfm fwmo wfmo fmwo mfwo wmfo mwfo fomw ofmw fmow mfow omfw mofw womf owmf wmof mwof omwf mowf
Note: these 'words' (valid or invalid) are all the permutations of the word fwom. These words are obtained by scrambling the letters in fwom.