Task: Program Execution
Input (English): 6, 1, H, 7, A, 5, 3
Output (English): [['6', '1', 'H', '7', 'A', '5'], ['6', '1', 'H', '7', 'A', '3'], ['6', '1', 'H', '7', '5', '3'], ['6', '1', 'H', 'A', '5', '3'], ['6', '1', '7', 'A', '5', '3'], ['6', 'H', '7', 'A', '5', '3'], ['1', 'H', '7', 'A', '5', '3']]