bbbbbb bobrok bobrun boccob bocock bocono bodock bodoco bokoro bonbon bondon bonduc bonnor bonobo booboo borbon borbor bordon bordun borkou bornon boroko bororo boubou boucon boudon boudou boukou bounou bourou brncrd brocco brocor brodno brokkr bronco bronko bronno broock brouck brubru brudno bruron buborn bububu bucco- budruk bukkur bukuru bundoo burbur burdon burdur burnou burnuk buruku cobbob coborn coburn cocco- cococo cocoon codnor concon concur condon condor connon connor conoco conrod coocoo coodoo cookoo corbon cordon cordun cornod cornon coroun corour coruco corund coruro coubon coudun courbu courr- crocco cronon cruro- cuckoo cucurb cuddon curour curror cururo d-book dobroc dobron dobrun docock dododo dodunk dok-do dokuro dondon donkor donoor donour dorbod dorcon dordon dorobo dorond dorood dororo doudou dourou dubcon dubdub duboko duddon dukono duncur dundun dundur dunoon dunord durbok durcon k-rock knock- kobodo koboko kodkod kodoku koduru kokoku kokoon kokoro kokoun kokubo kondor konnor konnur koodoo kookoo koonur kordun korkor kororo korubo korunk koruru koubou koudou koukou kouoro kourou kronor kronur kudrun kuduro kuduru kuknur kukoc kukurd kundoo kundru kundun kundur kunkur kunnur kurdcu kurkcu kurkun kuroko kurund kururu nkonko nkoroo nnundu no-doc noboru nobuko nodock non-no noncon nonkon nonodd nonono nonoon noonoo noonor nounou nubuck nukkuu nukunu o-knon obokun obudno occour odoorn okondo onbook oncorn ookroo oooooo oordoo orccon ordoru orokon orrock orrour ourdon ouroun rockon rococo roddon rokkor rokuko rokuro rondon ronnon ronron roound roucou roudno roundo roundu rounou rubbon rubro- ruddon rudnun rudock rudrur run-on ruocco ubundu ucuncu udburu udukku unbook unborn unburn uncock uncook uncord uncork uncorn uncrud uncurb uncurd uncurk undock undurn unnock urodon