Task: Program Execution
Input (English): 6, f, s, S, 6, e
Output (English): [['6', 'f', 's', 'S', '6'], ['6', 'f', 's', 'S', 'e'], ['6', 'f', 's', '6', 'e'], ['6', 'f', 'S', '6', 'e'], ['6', 's', 'S', '6', 'e'], ['f', 's', 'S', '6', 'e']]