hhhhh hi-hi hipo- hipop hipot hipp- hippi hippo hipto hitit hitto hitup ho-ho ho-oh hohot hopit hoppo hopto hopup hotot hotpi hotto hou-i houtu huhuh hutit hutto huttu hutup iiiii iitti ioooi ioooo iotit iotti ipiti ipopt ithot itout ittoo ittti itu-t itutu iuput oh-oh ohiou oitti ooioo ooooh ooooo ophi- ophio opihi opio- opito opoho optio opto- optot optto othoi othou ototo ottoi ouihi outto phiph phot- photo photu phpht phtpp phutu pipit pippi pippo pitio pitip pitot pitth pitti pitto po-po pohio poipu poopo popoi popop poppi poppo popup potoo potop potti potto pottu puhoi puhtu puppo puthi putit putt- putti putto puttu putuo putup t-pop t-top thio- thiou thoth thoti thout thttp thuit ti-hi ti-ti tiout tipit tippi tippu tipto tipup tithi titho titii titou titti titup to-ho tohit tohot tohui tooth tophi topio topit topo- topoi topot toppo topto topup toti- toto- totoo totop totup touho touih touit ttttt tuotu tupou tuppi tutti tutto u-pop uh-oh uh-uh uhhoh uhhuh uitti upput uptop ututo uuuuu