Task: Program Execution
Input (English): 4, Z, 1, M, 5, n, 0
Output (English): [['4', 'Z', '1', 'M', '5', 'n'], ['4', 'Z', '1', 'M', '5', '0'], ['4', 'Z', '1', 'M', 'n', '0'], ['4', 'Z', '1', '5', 'n', '0'], ['4', 'Z', 'M', '5', 'n', '0'], ['4', '1', 'M', '5', 'n', '0'], ['Z', '1', 'M', '5', 'n', '0']]