hhhhh hlokk ho-ho ho-oh hohol hokku hoklo hollo holo- holou holul hoopl hopko hopl- hoppo hopup hpvpv huhuh hukok hullo huolu k-pop khoku khull khulo klopp ko-ko kohlu kohol kokko kokou kolho kollo kollu kolol koolu koppl koulo kpolo kukko kukok kukup kullo kullu kulov kulul kuplu l-pop lohho lokov lollo lolol looph loph- lopou lukho lukko lukok lukou lukov lulov lulul lupul lvovo oh-oh oh-ok okoho okpho okuku ollup olovo ooooh ooooo oovoo oploo opoho opoku opovo oppol oukup oullo ovolo phlpp phool plook ploop plopp plopu plouh plouk plupp po-po pokou polko polku pollo pollu polop polvo poopo popop popov poppo popup poulp povvo pull- pullu puppo u-pop uh-oh uh-uh uhhoh uhhuh ukhov uloop ululu uphol upolo upolu uuuuu v-pop vlkov vohl voklo vokov volok volvo voulu vphop vulv-