-lock c-p-c c-pop ccccc clock clook cloop cluck co-co co-op cocc- cocco cocol cokk- coll- collo colo- colok colop colp- colpo colup coolo coppo couco coull cucuk cullu cuoco cupul k-pop klock klopp ko-ko kocul kokko kokou kollo kollu kolol koolu koppl koulo kpolo kucuk kukko kukok kukup kullo kullu kulul kuplu l-pop loco- lollo lolol loock lopou lucko lukko lukok lukou luluc lulul lupul ocllo ocul- oculo okoc okuku ollup ooooo oploo opoku oppol oukup oullo pclkc pcock plock plook ploop plopp plopu plouk pluck plupp po-po pocko pocok pocol pocop pokou polco polko polku pollo pollu polop poopo popco popop poppo popup pouck poulp pucko pull- pullu puppo u-pop ulock uloop ululu upolo upolu uuuuu