Task: Program Execution
Input (English): A, M, 8, 6, 2, L
Output (English): [['A', 'M', '8', '6', '2'], ['A', 'M', '8', '6', 'L'], ['A', 'M', '8', '2', 'L'], ['A', 'M', '6', '2', 'L'], ['A', '8', '6', '2', 'L'], ['M', '8', '6', '2', 'L']]