Task: Program Execution
Input (English): 2, 8, 5, C, i, n, p
Output (English): [['2', '8', '5', 'C', 'i', 'n'], ['2', '8', '5', 'C', 'i', 'p'], ['2', '8', '5', 'C', 'n', 'p'], ['2', '8', '5', 'i', 'n', 'p'], ['2', '8', 'C', 'i', 'n', 'p'], ['2', '5', 'C', 'i', 'n', 'p'], ['8', '5', 'C', 'i', 'n', 'p']]