Task: Program Execution
Input (English): D, 6, 0, 5, f, A
Output (English): [['D', '6', '0', '5', 'f'], ['D', '6', '0', '5', 'A'], ['D', '6', '0', 'f', 'A'], ['D', '6', '5', 'f', 'A'], ['D', '0', '5', 'f', 'A'], ['6', '0', '5', 'f', 'A']]