mjst jmst msjt smjt jsmt sjmt mjts jmts mtjs tmjs jtms tjms mstj smtj mtsj tmsj stmj tsmj jstm sjtm jtsm tjsm stjm tsjm
Note: these 'words' (valid or invalid) are all the permutations of the word mjst. These words are obtained by scrambling the letters in mjst.