dhundh do-hun dododo dondon donoor donour dordon dorond dorood doropo dororo doudou dourou duddon duhour dundun dundur dunoon dunord h-hour hnrnpr hodhur hohoho hohrod hondor honnor honor- honour hoodoo hoohoo hoopoo hooroo hop-up hopnpp horonu hororo horror huddon huddup hudood huh-uh hundon hundun hunnur hurdon hurroo nnundu non-no non-op nonodd nonono nonoon nonpro noonoo noonor nounou nuh-uh nurpur odoorn ohnono ohohoh ohpooh onhuno oohooh oooooo oordoo opdorp ordoru ordrup orphon orpund orrho- orrour oudorp ourdon ouroun phono- phonon phoro- poduru pondor pondur ponnur poodur poopoo pop-up popduo popopo poporo poppop porno- porron poupon poupou pouron pppppp prodon prohod proph- propho propup propur prundu punpun purdon purnor purpur rhodo- rhodon roddon rondon ronnon ronron roound roudno roundo roundu rounou ruddon rudnun rudrur ruhroh run-on run-up uh-huh undurn unh-uh unhood unhoop unhunh unprop unu-op uponon uponor uppoor upprop urodon uropod uruppu