GMTA MGTA GTMA TGMA MTGA TMGA GMAT MGAT GAMT AGMT MAGT AMGT GTAM TGAM GATM AGTM TAGM ATGM MTAG TMAG MATG AMTG TAMG ATMG
Note: these 'words' (valid or invalid) are all the permutations of the word GMTA. These words are obtained by scrambling the letters in GMTA.