Task: Program Execution
Input (English): 5, C, 5, 8, Z, d, b
Output (English): [['5', 'C', '5', '8', 'Z', 'd'], ['5', 'C', '5', '8', 'Z', 'b'], ['5', 'C', '5', '8', 'd', 'b'], ['5', 'C', '5', 'Z', 'd', 'b'], ['5', 'C', '8', 'Z', 'd', 'b'], ['5', '5', '8', 'Z', 'd', 'b'], ['C', '5', '8', 'Z', 'd', 'b']]