Task: Program Execution
Input (English): M, 5, 0, R, 2, Q, 9
Output (English): [['M', '5', '0', 'R', '2', 'Q'], ['M', '5', '0', 'R', '2', '9'], ['M', '5', '0', 'R', 'Q', '9'], ['M', '5', '0', '2', 'Q', '9'], ['M', '5', 'R', '2', 'Q', '9'], ['M', '0', 'R', '2', 'Q', '9'], ['5', '0', 'R', '2', 'Q', '9']]