Task: Program Execution
Input (English): G, h, 6, 9, a, 8
Output (English): [['G', 'h', '6', '9', 'a'], ['G', 'h', '6', '9', '8'], ['G', 'h', '6', 'a', '8'], ['G', 'h', '9', 'a', '8'], ['G', '6', '9', 'a', '8'], ['h', '6', '9', 'a', '8']]