bbbbbb bobowo bobrok bobrow boccob bocock bokoro booboo borbor borkou borkow boroko bororo borowo borrow borzow borzuk boubou boukou bourou bowwow bozkow brocco brocor brokkr broock brouck brubru bububu bucco- buckow bukkur bukowo bukuru burbur burowo burrow buruku cobbob cocco- cockow cococo coocoo cookoo corboz corour corozo coruco coruro courbu courr- couzou cowcow crocco cruro- cuckoo cucurb cuozzo curour curror currow cururo k-rock koboko kobrow koczow kokoku kokoro kokubo kookoo korkor kororo korubo koruru koubou koukou kouoro kourou kowkur kowroz kozoku kozowo krobow krowor krukow krzucz kubowo kuczow kukoc kukowo kurkcu kuroko kurowo kurucz kururu kuzucu kuzuko obrocz obrowo occour ookroo oooooo orczow orkowo orozco orozko orrock orrour ozorow rococo rokkor rokuko rokuro roucou rowrow rubkow rubro- rukozo ruocco rzozow rzucow woowoo worowo worrow wurrow z-rock zborow zoozoo zorzor zoukou zouzou zubowo zubrow zuccor zukowo