-lock ccccc clock clonk clook clown cluck clunk cnnnn co-co cocc- cocco cocol cocon cocow cokk- cokow coll- collo colo- colok colon colun conck concl conco connu cono- conon coolo coown couco coull cowon cucuk cullu cunco cuoco cuwul klock klonk klown klunk klwow knock knokk knoll know- knowl known knuck ko-ko kocon kocul kokko kokou kollo kollu kolno kolol kolun konno konnu koolu koonu koulo kouno kouwo kucuk kukko kukok kukow kullo kullu kulno kulow kulul kulun kunku kunow kwoon loco- locon lollo lolol lonco lonko loock lowno lowon lucko lucun lukko lukok lukou lukow luluc lulul luwuk nkolo nnooo no-no nokko nokon nokul non-u nonno noonu nowlu nowon nu-nu nuklo nullo nunon nunun ocllo ocul- oculo oknow okoc okuku ollon onco- oncol onlow onnow onoon ooooo oullo oulon oulun u-con uconn ukoln ulno- ulock ulowo ululu uncok uncol uncon uncow unnun unown unwon uuuuu wlonk wokou wolk- woulk wowow wwwww