Task: Program Execution
Input (English): 4, W, l, 6, k, j
Output (English): [['4', 'W', 'l', '6', 'k'], ['4', 'W', 'l', '6', 'j'], ['4', 'W', 'l', 'k', 'j'], ['4', 'W', '6', 'k', 'j'], ['4', 'l', '6', 'k', 'j'], ['W', 'l', '6', 'k', 'j']]