Task: Program Execution
Input (English): a, I, 5, 4, 3, G
Output (English): [['a', 'I', '5', '4', '3'], ['a', 'I', '5', '4', 'G'], ['a', 'I', '5', '3', 'G'], ['a', 'I', '4', '3', 'G'], ['a', '5', '4', '3', 'G'], ['I', '5', '4', '3', 'G']]