Task: Program Execution
Input (English): 5, 4, 8, 2, E, 4, 5
Output (English): [['5', '4', '8', '2', 'E', '4'], ['5', '4', '8', '2', 'E', '5'], ['5', '4', '8', '2', '4', '5'], ['5', '4', '8', 'E', '4', '5'], ['5', '4', '2', 'E', '4', '5'], ['5', '8', '2', 'E', '4', '5'], ['4', '8', '2', 'E', '4', '5']]