(a)(IX+V),(II+IV),(V+VI),(XII+III),(VIII+IX),(VI+IV)(b)(II+IV),(VI+IV),(V+VI),(IX+V),(XII+III),(VIII+IX)(c)(II+IV),(XII+III),(VIII+IX),(IX+V),(VI+IV),(II+IV)(d)(V+VI),(XII+III),(II+IV),(VIII+IX),(VI+IV),(XII+III)