myph ymph mpyh pmyh ypmh pymh myhp ymhp mhyp hmyp yhmp hymp mphy pmhy mhpy hmpy phmy hpmy yphm pyhm yhpm hypm phym hpym
Note: these 'words' (valid or invalid) are all the permutations of the word myph. These words are obtained by scrambling the letters in myph.