bbbbbb bo-hoo bobrun bonbon bonnor bonobo booboo boohoo borbon borbor bornon bororo boubou bounou bourou bronno brorup brubru bruron buborn bububu bunpo burbur burhou burnou burnup burrup h-hour hnrnpr hobnob hohoho honnor honor- honour hoohoo hoopoo hooroo hop-up hopnpp horonu hororo horror hubbub huboon hububb huh-uh hunnur hurroo noboru non-no non-op nonono nonoon nonpro noonoo noonor noprob nounou nuh-uh nurpur ohnono ohohoh ohpooh onhuno oohooh oooooo orphon orrho- orrour ouroun phobo- phono- phonon phoro- poboru ponnur poopoo pop-up popopo poporo poppop porno- porron poupon poupou pouron pppppp proph- propho propup propur pubnub punpun purnor purpur ronnon ronron rounou rub-up rubbon rubro- ruhroh run-on run-up uh-huh unborn unburn unh-uh unhoop unhunh unprop unu-op uponon uponor uppoor upprop urhobo uruppu