Task: Program Execution
Input (English): 7, b, 8, B, 1, 0
Output (English): [['7', 'b', '8', 'B', '1'], ['7', 'b', '8', 'B', '0'], ['7', 'b', '8', '1', '0'], ['7', 'b', 'B', '1', '0'], ['7', '8', 'B', '1', '0'], ['b', '8', 'B', '1', '0']]