mezh emzh mzeh zmeh ezmh zemh mehz emhz mhez hmez ehmz hemz mzhe zmhe mhze hmze zhme hzme ezhm zehm ehzm hezm zhem hzem
Note: these 'words' (valid or invalid) are all the permutations of the word mezh. These words are obtained by scrambling the letters in mezh.