Task: Program Execution
Input (English): 2, 0, C, 8, n, 9
Output (English): [['2', '0', 'C', '8', 'n'], ['2', '0', 'C', '8', '9'], ['2', '0', 'C', 'n', '9'], ['2', '0', '8', 'n', '9'], ['2', 'C', '8', 'n', '9'], ['0', 'C', '8', 'n', '9']]