Task: Program Execution
Input (English): 3, O, 0, m, 0, 2, 9
Output (English): [['3', 'O', '0', 'm', '0', '2'], ['3', 'O', '0', 'm', '0', '9'], ['3', 'O', '0', 'm', '2', '9'], ['3', 'O', '0', '0', '2', '9'], ['3', 'O', 'm', '0', '2', '9'], ['3', '0', 'm', '0', '2', '9'], ['O', '0', 'm', '0', '2', '9']]