hhhhh hi-hi hi-lo hilli hillo hilmi hilmo hilum himom hipil hipo- hipop hipp- hippi hippo hlium ho-ho ho-oh hohim hohol hohum hoill holli hollo holo- holou holul holum homo- hooli hoopl hopl- hoppo hopup hou-i houli hp-il huhuh huili huill hullo humil humph huolu iiiii ilio- ilium illmo illui ilulu imhip imlil impul iommi ioooi ioooo ipmil iuliu l-pop lhohi lihou liliu lilli lillo lilmo lilou limhi limlu limmu limo- limui lipo- lippi lippo liuli liupo lohho lohio loilo lolim lolli lollo lolol lommi looph loph- lopou loppi louhi lulli lulom lulul lumi- lumio lummi luppi lupul mi-lu mi-mi mihop milil milim milli millo millu milmi milpo miluo mimio mimmi mimo- mimpi mioul mipim mliii mlomp mmhmm mmiii mmmmm mmpip mohil mohol mollo mollu moloi momil momlu momoi mooil mooli mooll moolu moooi moppi mopup moulu muill mulli mullo mului mumlu mummu muppu o-hum oh-oh ohiou ohmmm oilup olimp ollio ollup olomu olumu omili omulu omupo ooioo oomph ooooh ooooo ophi- ophio opihi opio- opium oploo opoho oppol oppum opump ouihi oullo phil- phill philm philo philp phimu phiph phlio phlpp phool piilu pili- pilio pillo pilo- pilou pilum pimpl pioli pipil pipli pippi pippo pipul plio- plomp ploop plopi plopp plopu plouh plumi plump plupp po-po pohio poill poilu poipu poli- polio polip polli pollo pollu polom polop pomi- pompu pomum pooli poopo popil popoi popop poppi poppo popup poulp puhmu puhoi puilo pull- pulli pullu pumil pupil puppo u-pml u-pop uh-oh uh-uh uhhoh uhhuh uloop ululu ulupi umhum uphol upolo upolu uppli uuuuu