-aaa- aabaa aabba aabra aarna aaron abaab ababa abana abann abano abaon abara abarn abban abbar aboab abobo abona abono aboon abora aborn abran abrar abron anaba anana anara anban anbar annan annar anoba anona anono anoon anora anorn ar-ab arab- araba arabo arana arano arara arbab arbar arbon arbor arnan arnar arno- arnon arnor aroab aroar aroba arona aroon aroor arora arran arron baarn baban babar baboo babra banan banar banba banna banon baoro baraa barab baran barao barar barba barna baro- baroa baron baroo baror barra barro bo-bo boann boano boaro boban bobar bobr bonab bonan bonao bonar bonon booba boora boorn boran borba borbo born- borna borno boro- boroa boron boroo borra borro brana brann brobo brona bronn broon brora brrar brrrr naban nabao nabar nabba naboa nabob naboo nabor nanan nanao nann- nanna nanno nano- nanoa nanon naran naroo naror narra narro nbaon nnooo no-no noboa nobob nona- nonan nonar nonna nonno noora norba norna noron norra norro o-bon o-r-b oaror obaba obara obora oboro obrab onano onaon onara onoba onoon onora onorn onran ooooo oraba orana oraon orara orban ornan ornon orobo orona orono ra-ra raaba raaor rabab raban rabba rabon rabor ranna ranno ranon raron ro-ro roana roann robab robar robbo robo- robon robor ronan ronno rooba rorra