-hou a-do a-ha aaaa aaad aaah aaar aada aadu aaha aaoo aara aard aaro aaru adaa adad adah adao adar adda addd addo addr addu adha adhd adho adhu adod adoo ador adra adro adua adur ahad ahah ahar ahau ahha ahoa ahod ahor ahra ahrr ahua aoah aodh aora arad arah arar arau arda ardo ardu arh- aroa arod aroo aror arr- arra arrh arro arrr arru arua arud auaa audh audo aur- aura aurd auro daad daar daau dada dado dadu daha dahu daou dara dard daro darr daru daud daur dddd dhaa dhad dhao dhar dhau dhod dhor dhur doar dod- doda dodd dodo doha dohr dood door dora dord doro dorr doru doud dour draa drad drar drau drda drod droh drou drra drua druu duaa duad duah duar duda dudd dudo dudu duha duhr duhu duo- dura duro duru duur haad haar hada hadh hadu haha haho haor hara hard harh haro harr haru hau- haud hdda hdod hdra hhaa hhhh hoad hoar hoda hodh hodr hoha hoho hood hoor hora hord horo horr houd hour hrad hrod hrud huah huda hudd hudo hudu huhu huor hura hurd huro hurr huru oaau oahu oara odah odda oddd odoh odoo odor odou odra odur ohad ohau ohho ohoh ohra ooaa ooda ooha ooho oooh oooo oora oord orad orah orao orar orda ordo ordu oro- oror orra orro ouad oudh our- oura ouro ouu- raad rada radd radh rado radr radu raha rahr rahu raoh rara raro raua raud rhau rhoa rhod rhoh road roar roda rodd rodo roha rohr rohu rood roor rora roro roru roua roud rouh rrad rrah rrrr ruad ruah ruda rudd rudo ruhh ruhr rura rurd ruro ruru ruud uaru uaua udaa udad udar udau udoh udoo udra uh-d uhoh uhuh uor- urad urao urau urda urdu urho uro- uroa uroo urra urrh urur uuuu