Task: Program Execution
Input (English): P, 5, Z, 8, r, K, 3
Output (English): [['P', '5', 'Z', '8', 'r', 'K'], ['P', '5', 'Z', '8', 'r', '3'], ['P', '5', 'Z', '8', 'K', '3'], ['P', '5', 'Z', 'r', 'K', '3'], ['P', '5', '8', 'r', 'K', '3'], ['P', 'Z', '8', 'r', 'K', '3'], ['5', 'Z', '8', 'r', 'K', '3']]