-lock bbook bccup bcock block blook bloop bo-bo bobko boboc bobok bobup bokko bokok bolko boll- bollo bollu bolok boluk boock booco booko bouck bouko boul- boulc boulo bucco bucko bucku bukk- bulb- bulck bull- bulok bulou bulul c-p-c c-pop ccccc clock cloob clook cloop clubb cluck co-bo co-co co-op cobol cocc- cocco cocol cokk- coll- collo colo- colok colop colp- colpo colup coolo coppo couco coull cubo- cubub cucuk cullu cuoco cupul k-pop kbool klock klopp ko-ko kobol kobuk kobul kocul kokko kokou kolbu kollo kollu kolob kolol koolu koppl koulo kpolo kubok kubul kucuk kukko kukok kukup kullo kullu kulob kulul kuplu l-pop lobbo lobo- lockb loco- lollo lolol loobu loock lopou lubok lucko lukko lukok lukou luluc lulul lupul obock obolo ocllo ocul- oculo okobo okoc okubo okuku ollup ooooo oploo opobo opoku oppol oukup oullo pbook pclkc pcock plock plook ploop plopp plopu plouk pluck plupp po-po pocko pocok pocol pocop pokou polbo polco polko polku pollo pollu polop poopo popco popop poppo popup pouck poulp pubco pubo- pucko pull- pullu puppo u-pop ubobo ukobu ulock uloop ululu upolo upolu uuuuu