-aaa- aabaa aabba abaab ababa ababu abana abann abano abaon abava abban abbou abnub aboab abobo abona abono aboon abovo abuna anaba anana anaua anaun anava anban annan annua anoba anona anono anoon anoun anova anovo aubun aunon aunou avana avouu avunu baava baban babau baboo babou banan banau banba banna bannu banon banou banov baubo bauno bavan bavon bo-bo boann boano boban bobov bonab bonan bonao bonon bonou bonva booba bouan bouba bouna bovan bubba bubon bunab bunan bunau bunna bunun buona buono naban nabao nabau nabba naboa nabob naboo nabou nabua nanan nanao nanbu nann- nanna nanno nano- nanoa nanon nanou nanov nanva navan navon nbaon nnooo no-no noboa nobob nobuo non-u nona- nonan nonna nonno noonu nouna novo- nu-nu nuabu nubao nunan nunna nunon nunun nuova nuovo o-bon obaba obava onano onaon onavo onoba onoon ooooo oovoo ouona ubava ubobo unava unban unnao unnau unnun unona unova uuuuu v-bob vaana vaavu vanab vanan vanna vanov vanua vanuu vaona vavan vonnu voobu vouno