Task: Program Execution
Input (English): d, h, y, B, 9, 1, 7
Output (English): [['d', 'h', 'y', 'B', '9', '1'], ['d', 'h', 'y', 'B', '9', '7'], ['d', 'h', 'y', 'B', '1', '7'], ['d', 'h', 'y', '9', '1', '7'], ['d', 'h', 'B', '9', '1', '7'], ['d', 'y', 'B', '9', '1', '7'], ['h', 'y', 'B', '9', '1', '7']]