k-pop klopp ko-ko kokko kokou kollo kollu kolol koolu koppl koulo kpolo kukko kukok kukup kullo kullu kulov kulul kuplu l-pop lokov lollo lolol lopou lukko lukok lukou lukov lulov lulul lupul lvovo okuku ollup olovo ooooo oovoo oploo opoku opovo oppol oukup oullo ovolo plook ploop plopp plopu plouk plupp po-po pokou polko polku pollo pollu polop polvo poopo popop popov poppo popup poulp povvo pull- pullu puppo u-pop uloop ululu upolo upolu uuuuu v-pop vlkov voklo vokov volok volvo voulu vulv-