Task: Program Execution
Input (English): 4, n, k, 0, i
Output (English): [['4', 'n', 'k', '0'], ['4', 'n', 'k', 'i'], ['4', 'n', '0', 'i'], ['4', 'k', '0', 'i'], ['n', 'k', '0', 'i']]