tmpg mtpg tpmg ptmg mptg pmtg tmgp mtgp tgmp gtmp mgtp gmtp tpgm ptgm tgpm gtpm pgtm gptm mpgt pmgt mgpt gmpt pgmt gpmt
Note: these 'words' (valid or invalid) are all the permutations of the word tmpg. These words are obtained by scrambling the letters in tmpg.