Task: Program Execution
Input (English): z, Z, 7, l, F, 3
Output (English): [['z', 'Z', '7', 'l', 'F'], ['z', 'Z', '7', 'l', '3'], ['z', 'Z', '7', 'F', '3'], ['z', 'Z', 'l', 'F', '3'], ['z', '7', 'l', 'F', '3'], ['Z', '7', 'l', 'F', '3']]