Task: Program Execution
Input (English): A, 8, K, i, z, 3
Output (English): [['A', '8', 'K', 'i', 'z'], ['A', '8', 'K', 'i', '3'], ['A', '8', 'K', 'z', '3'], ['A', '8', 'i', 'z', '3'], ['A', 'K', 'i', 'z', '3'], ['8', 'K', 'i', 'z', '3']]