Task: Program Execution
Input (English): c, G, T, 8, 4, i, 5
Output (English): [['c', 'G', 'T', '8', '4', 'i'], ['c', 'G', 'T', '8', '4', '5'], ['c', 'G', 'T', '8', 'i', '5'], ['c', 'G', 'T', '4', 'i', '5'], ['c', 'G', '8', '4', 'i', '5'], ['c', 'T', '8', '4', 'i', '5'], ['G', 'T', '8', '4', 'i', '5']]