cloun- clouun co-opn cocco- cococo cocolo cocool cocoon colln collo- collon collop collup coloop colpo- colpon concon conlon connon conoco coocoo coopup copull coulon coupon coupul cupolo cuppul cupulo lollop loncco loncon lonnol looloo loopco loplop loulon loulou lucon lunlun non-no non-op noncon nonono nonoon noonoo nopulp nounou nuclon null-o oculo- olluco oooooo opocno ouolon plonno pocono polcon polloc polpol poopoo pop-up popopo poppop populo poupon poupou pppppp pucol pucon pullno pullon pullup punpun ucuncu ulluco ullucu uncool uncoop unloop unlull unpoco unu-op uponon uppcon