vehm evhm vhem hvem ehvm hevm vemh evmh vmeh mveh emvh mevh vhme hvme vmhe mvhe hmve mhve ehmv hemv emhv mehv hmev mhev
Note: these 'words' (valid or invalid) are all the permutations of the word vehm. These words are obtained by scrambling the letters in vehm.