Task: Program Execution
Input (English): e, E, 6, N, 5, z
Output (English): [['e', 'E', '6', 'N', '5'], ['e', 'E', '6', 'N', 'z'], ['e', 'E', '6', '5', 'z'], ['e', 'E', 'N', '5', 'z'], ['e', '6', 'N', '5', 'z'], ['E', '6', 'N', '5', 'z']]