Task: Program Execution
Input (English): 5, E, H, X, 7, 8
Output (English): [['5', 'E', 'H', 'X', '7'], ['5', 'E', 'H', 'X', '8'], ['5', 'E', 'H', '7', '8'], ['5', 'E', 'X', '7', '8'], ['5', 'H', 'X', '7', '8'], ['E', 'H', 'X', '7', '8']]