chocho chonch chooch chopok chopup chucho chuchu chucun chukku chuo chupon co-opn cocco- cochon cockup cococo cocoon conch- concho concon connon conoco coocoo cookoo cookop cookup coopup coupon cuckoo hkcccc hocooh hohoho hokpok honcho hoohoo hookup hoonko hoopoo hop-up hopnpp houcun hpunch huh-uh hukkok khocho khokon khonuu knock- kochon kohoku kokkoh kokoku kokoon kokopo kokopu kokoun kookoo koopoo koukou kukoc nkonko non-no non-op noncon nonkon nonono nonoon noonoo nounou nuh-uh nukkuu nukunu o-hook o-knon ocho ochun ohnono ohohoh ohpooh okpoko oncho- onhuno oohooh oooooo opocno oukoop phono- phonon phoonk pocock pocono pokpon poncho ponoko pookoo poonch poopoo pop-up popopo poppop poupko poupon poupou pppppp puccho pucon puncho punpun puukko uchkun ucuncu uh-huh uncock uncook uncoop unh-uh unhook unhoop unhunh unnock unpoco unpunk unu-op uponon uppcon