Task: Program Execution
Input (English): k, 0, 0, 3, W, 8
Output (English): [['k', '0', '0', '3', 'W'], ['k', '0', '0', '3', '8'], ['k', '0', '0', 'W', '8'], ['k', '0', '3', 'W', '8'], ['k', '0', '3', 'W', '8'], ['0', '0', '3', 'W', '8']]