Task: Program Execution
Input (English): 9, 2, H, 8, 0, 6, L
Output (English): [['9', '2', 'H', '8', '0', '6'], ['9', '2', 'H', '8', '0', 'L'], ['9', '2', 'H', '8', '6', 'L'], ['9', '2', 'H', '0', '6', 'L'], ['9', '2', '8', '0', '6', 'L'], ['9', 'H', '8', '0', '6', 'L'], ['2', 'H', '8', '0', '6', 'L']]