Task: Program Execution
Input (English): z, B, i, L, 3, 6, A
Output (English): [['z', 'B', 'i', 'L', '3', '6'], ['z', 'B', 'i', 'L', '3', 'A'], ['z', 'B', 'i', 'L', '6', 'A'], ['z', 'B', 'i', '3', '6', 'A'], ['z', 'B', 'L', '3', '6', 'A'], ['z', 'i', 'L', '3', '6', 'A'], ['B', 'i', 'L', '3', '6', 'A']]