Task: Program Execution
Input (English): v, U, 4, I, c, 8, P
Output (English): [['v', 'U', '4', 'I', 'c', '8'], ['v', 'U', '4', 'I', 'c', 'P'], ['v', 'U', '4', 'I', '8', 'P'], ['v', 'U', '4', 'c', '8', 'P'], ['v', 'U', 'I', 'c', '8', 'P'], ['v', '4', 'I', 'c', '8', 'P'], ['U', '4', 'I', 'c', '8', 'P']]