Task: Program Execution
Input (English): 8, L, 3, K, 9, 3, k
Output (English): [['8', 'L', '3', 'K', '9', '3'], ['8', 'L', '3', 'K', '9', 'k'], ['8', 'L', '3', 'K', '3', 'k'], ['8', 'L', '3', '9', '3', 'k'], ['8', 'L', 'K', '9', '3', 'k'], ['8', '3', 'K', '9', '3', 'k'], ['L', '3', 'K', '9', '3', 'k']]