Task: Program Execution
Input (English): l, Y, K, v, b
Output (English): [['l', 'Y', 'K', 'v'], ['l', 'Y', 'K', 'b'], ['l', 'Y', 'v', 'b'], ['l', 'K', 'v', 'b'], ['Y', 'K', 'v', 'b']]