fmho mfho fhmo hfmo mhfo hmfo fmoh mfoh fomh ofmh mofh omfh fhom hfom fohm ofhm hofm ohfm mhof hmof mohf omhf homf ohmf
Note: these 'words' (valid or invalid) are all the permutations of the word fmho. These words are obtained by scrambling the letters in fmho.