-aaa- aabaa aabba abaab ababa abana abann abano abaon abava abaza abban aboab abobo abona abono aboon abovo abzan anaba anana anava anban annan anoba anona anono anoon anova anovo anzab anzan anzob anzov avaaz avana avaza azana aznab azovo baava baban baboo banan banaz banba banna banon banov banza bavan bavon bazan bazna bazoo bo-bo boann boano boban bobov bonab bonan bonao bonon bonva bonza bonzo booba booza bovan bozab bozan bozon bozoo bozov bzova naban nabao nabba naboa nabob naboo nanan nanao nann- nanna nanno nano- nanoa nanon nanov nanva navan navon nazan nazza nbaon nnooo no-no noboa nobob nona- nonan nonna nonno nonza noobz novo- novza nozno o-bon obaba obava onano onaon onavo onoba onoon ooooo oovoo oozoa ozana oznoz ozon- ozona ozono v-bob vaana vanab vanan vanna vanov vanzo vaona vavan vazan vazna vazov za-za zaban zabno zanna zanon zanza zavan zazon zazzo zono- zonza zozan zzzzz