Task: Program Execution
Input (English): 5, 7, 7, z, 3, E, 8
Output (English): [['5', '7', '7', 'z', '3', 'E'], ['5', '7', '7', 'z', '3', '8'], ['5', '7', '7', 'z', 'E', '8'], ['5', '7', '7', '3', 'E', '8'], ['5', '7', 'z', '3', 'E', '8'], ['5', '7', 'z', '3', 'E', '8'], ['7', '7', 'z', '3', 'E', '8']]