Task: Program Execution
Input (English): N, q, I, f, 3, g
Output (English): [['N', 'q', 'I', 'f', '3'], ['N', 'q', 'I', 'f', 'g'], ['N', 'q', 'I', '3', 'g'], ['N', 'q', 'f', '3', 'g'], ['N', 'I', 'f', '3', 'g'], ['q', 'I', 'f', '3', 'g']]