find a common word which precedes or comes after each word group: 1.carpet-flow-register 2.finder-free-long 3.past-pitch-word 4.coffee-sea-stew 5.fingers-land-lime 6.active-four-times 7.cabbage-cross-work 8.double-strap-wag 9.black-box-pack 10.emeritus-moriarty-regius