Task: Program Execution
Input (English): 3, n, 7, 9, 7, 2
Output (English): [['3', 'n', '7', '9', '7'], ['3', 'n', '7', '9', '2'], ['3', 'n', '7', '7', '2'], ['3', 'n', '9', '7', '2'], ['3', '7', '9', '7', '2'], ['n', '7', '9', '7', '2']]