c-fos c-p-c c-pop ccccc ccups co-co co-op cocc- cocco cocos cocus coffs coofs coops copos coppo copps copus cosco couco coups cpcfc cuffs cuoco cupof cusco cusop cusps cusso focus fofos fopos fosco fu-fu fuco- fucus fuffs fuoco fusco fuso- fusus offof ofosu ofpop oocss ooooo oppos ososo ossos osusu po-po pocop pocos pocus poofs poopo poops popco popop popos poppo popup posco posof pouff poufs pouss psoup puffs puppo scoff scoop scops scoup scuff scups sfouf so-so socus soppo sopup soss- sosus souff soups sous- spfpc spoof sposo ssfcu sssss suffs supps susso susus u-pop ufofu upoff us-sc uscoc uscup uuuuu