Task: Program Execution
Input (English): W, N, a, k, 8, 1, 2
Output (English): [['W', 'N', 'a', 'k', '8', '1'], ['W', 'N', 'a', 'k', '8', '2'], ['W', 'N', 'a', 'k', '1', '2'], ['W', 'N', 'a', '8', '1', '2'], ['W', 'N', 'k', '8', '1', '2'], ['W', 'a', 'k', '8', '1', '2'], ['N', 'a', 'k', '8', '1', '2']]