Task: Program Execution
Input (English): U, G, I, N, E, 5, 6
Output (English): [['U', 'G', 'I', 'N', 'E', '5'], ['U', 'G', 'I', 'N', 'E', '6'], ['U', 'G', 'I', 'N', '5', '6'], ['U', 'G', 'I', 'E', '5', '6'], ['U', 'G', 'N', 'E', '5', '6'], ['U', 'I', 'N', 'E', '5', '6'], ['G', 'I', 'N', 'E', '5', '6']]