bbook bcock bo-bo bobko boboc bobok bocon bokko bokok bokun bonon bonou boock booco booko boonk bouck bouko bubon bucco bucko bucku bukk- buknu bunco bunko bunuk bunun buono ccccc cnnnn co-bo co-co cocc- cocco cocon cokk- conck conco connu cono- conob conon couco cubo- cubub cucuk cunco cuoco knock knokk knuck ko-ko kobuk kobun kocon kokko kokou konbu konno konnu koonu kouno kubok kucuk kukko kukok kunku nkubu nnooo no-no nobob nobuo nokko nokon non-u nonno noonu nu-nu nunon nunun o-bon obock okobo okoc okubo okuku onco- onnbc onoon ooooo u-con ubobo uconn ukobu uncok uncon unnun uuuuu