Task: Program Execution
Input (English): s, D, 8, 2, 1, 8
Output (English): [['s', 'D', '8', '2', '1'], ['s', 'D', '8', '2', '8'], ['s', 'D', '8', '1', '8'], ['s', 'D', '2', '1', '8'], ['s', '8', '2', '1', '8'], ['D', '8', '2', '1', '8']]