bbbbbb bobcut boccob bocock bocono bonbon bonnot bonnut bonobo bontoc bontok bonton booboo booton botcon botoko botton boubou boucon boukou bounou boutob bouton bububu bucco- bukoto bukton bunkot bunton button buttto butucu buutuo cobbob cobnut cocco- cococo cocoon cocto- concon connon conoco contbn contub coocoo cookoo cotton cottun coubon counto cuckoo cutcut cutout cuttoo kkoktu knock- koboko kokoku kokoon kokott kokoun kokubo konton kookoo kootoo koottu kotoko kotono kotuku koubou koukou koutou kukoc kutton n-toon nkonko nobbut nobuko nocto- nocton non-no noncon noncut nonkon nonono nonoon noonoo noonto notout notton nottoo nounou ntuntu nubuck nukkuu nukunu nunton o-knon obokun oconto octoon onbook oooooo outcut tbontb tkoutt tktock to-cut to-on toboot tokuko tonbok tonbon tonono tonton toocun tookon tookto tootoo toubon touton toutou toutuo tuktuk tuotuo tutton tuttut u-boot u-cont ubuntu ucuncu un-cut unbook unboot uncock uncook uncunt unknot unnock untcok untuck utukku