Task: Program Execution
Input (English): s, 3, L, 7, 8, 3, b
Output (English): [['s', '3', 'L', '7', '8', '3'], ['s', '3', 'L', '7', '8', 'b'], ['s', '3', 'L', '7', '3', 'b'], ['s', '3', 'L', '8', '3', 'b'], ['s', '3', '7', '8', '3', 'b'], ['s', 'L', '7', '8', '3', 'b'], ['3', 'L', '7', '8', '3', 'b']]