jpmm pjmm jmpm mjpm pmjm mpjm jpmm pjmm jmpm mjpm pmjm mpjm jmmp mjmp jmmp mjmp mmjp mmjp pmmj mpmj pmmj mpmj mmpj mmpj
Note: these 'words' (valid or invalid) are all the permutations of the word jpmm. These words are obtained by scrambling the letters in jpmm.