bbbbbb bobcut bobrok bobrun boccob bocock bocono bokoro bonbon bonnor bonnot bonnut bonobo bontoc bontok bonton booboo booton borbon borbor borkou bornon bornto boroko bororo borton botcon botoko botoro botton boubou boucon boukou bounou bourou boutob bouton brocco brocor brocot brokkr bronco bronko bronno bront- bronto broock brotto brouck brount brubru bruron bruton brutto buborn bububu bucco- bukkur bukoto bukton bukuru bunkot bunton burbot burbur burcot burkut burnou burnuk burnut burotu burton buruku burutu butbro butron button buttto butucu buutuo cntrob cobbob cobnut coborn coburn cocco- cococo cocoon cocto- concon concur connon connor conoco contbn contbr contor contub coocoo cookoo corbon cornon cornot coroun corour corton cortot coruco coruro cotton cottun coubon counto courbu courr- crobot crocco cronon cronut croton cruro- cuckoo cucurb curour curror cururo cutcut cutout cuttoo k-rock kkoktu knock- koboko kokoku kokoon kokoro kokott kokoun kokubo konnor konnur konton kontor kookoo koonur kootoo koottu korbut korkor korkut kororo korubo korunk koruru kotoko kotono kottur kotuku koubou koukou kouoro kourou kourtt koutou kronor kronur kroton kuknur kukoc kunkur kunnur kuntur kurkcu kurkun kuroko kurort kururu kutton n-toon nkonko nkoroo nobbut noboru nobuko nocto- nocton noktor non-no noncon noncut nonkon nonono nonoon noonoo noonor noonto norcot norton notour notout notron notton nottoo noturn nounou ntuntu nubuck nukkuu nukunu nunton nurkot nurton o-knon obokun obturb occour oconto ocourt octoon octuor octurn onbook oncorn ontour ookroo oooooo orccon orcutt orokon oroton orrock orrour ottoor ouroun ourton outcut outour outrun outtro roboto rockon rockto rococo rocoto rokkor rokuko rokuro ronnon ronron rooton rotork rotour rotout rotrou rotton roucou rounou routot rubbon rubbot rubout rubro- rubutu rukutu run-on runbot runout runton ruocco rurutu rutour tbontb tkoutt tktock to-cut to-on toboot tobruk toburn tokuko tokuro tonbok tonbon tonbur tonono tonoro tonour tonton toocun tookon tookto tootoo torcon tororo tortor tortou totnor totoro totrot toubon touron tourou touton toutou toutuo trocon trokut tronto trotro trucco trunko truont tuktuk tuotuo turbo- turbot turcok turko- turnon turnor turnto turron turton turtuk turtur turucu turunc tururu tutour tutton tuttut u-boot u-cont u-turn ubuntu ucuncu un-cut unbook unboot unborn unburn uncock uncook uncork uncorn uncunt uncurb uncurk unknot unnock unroot untcok untorn untuck unturn urturn utkoor utnoor utroor utukku utukur