a-do a-ha aaaa aaad aaah aaar aaav aada aaha aaoo aara aard aaro aava adaa adad adah adao adar adda addd addo addr adha adhd adho adod adoo ador adra adro ahad ahah ahar ahha ahoa ahod ahor ahra ahrr ahva aoah aodh aora arad arah arar arda ardo arh- aroa arod aroo aror arr- arra arrh arro arrr arva arvo avao avar avda avor avra avro avva avvo daad daar dada dado daha dara dard daro darr dava dddd dhaa dhad dhao dhar dhod dhor doar dod- doda dodd dodo doha dohr dood door dora dord doro dorr draa drad drar drda drod droh drra dvar dvda dvdr dvoa dvor dvra haad haar hada hadh haha haho haor hara hard harh haro harr harv hava hdda hdod hdra hhaa hhhh hoad hoar hoda hodh hodr hoha hoho hood hoor hora hord horo horr hova hrad hrod hvar oara odah odda oddd odoh odoo odor odra odva ohad ohho ohoh ohra ooaa ooda ooha ooho oooh oooo oora oord orad orah orao orar orav orda ordo oro- oror orra orro orvr ovar ovda ovhd ovo- ovod ovoo ovra raad rada radd radh rado radr raha rahr raoh rara raro rava rhoa rhod rhoh road roar roda rodd rodo roha rohr rood roor rora roro rova rovo rrad rrah rrrr rvvh vaad vaar vada vado vaho vara vard varr vava vhhh voad voar voda vodo voho voor vor- vora vord voro vrav vvvv