cloun- clouun cocco- cococo cocolo cocool cocoon colln collo- collon concon conlon connon conoco coocoo cookoo coulon cuckoo klocko klokoc klucko knock- kokoku kokolo kokoon kokoun kolluk kololo kookoo koukou koulou kukoc kulolo kululu kunlon kunlun lockon locock lokono loncco loncon lonnol lookon looloo loukou loulon loulou lucon lukulu lunlun nkonko nolook noluck non-no noncon nonkon nonono nonoon noonoo nounou nuclon nukkuu nuklon nukunu null-o o-knon oclock oculo- okollo olluco olokun oluklu onklou onlock onlook oooooo ouolon ucuncu ullock ulluco ullucu uncock uncook uncool unlook unlouk unluck unlull unnock