a-do aaaa aaad aaav aada aadu aaoo aava adaa adad adao adda addd addo addu adod adoo adua auaa audo avao avda avou avva avvo daad daau dada dado dadu daou daud dava dddd dod- doda dodd dodo dood doud duaa duad duda dudd dudo dudu duo- duva dvda dvoa oaau odda oddd odoo odou odva ooaa ooda oooo ouad ouu- ovda ovo- ovod ovoo uaua udaa udad udau udoo uovo uuuu uv-a uvaa uvda uvvu vaad vada vado vadu vaud vava voad voda vodo voud vuda vudu vvvv