-aaa- aaaoc aabaa aabba aacbc abaab ababa abaca abaco abana abanc abann abano abaon abava abbac abban abcan abccc aboab abobo abona abono aboon abovo acaca acacb acana anaba anaco anana anava anban ancon annan anoba anona anono anoon anova anovo avana avanc avcon avoca baava baban baboo bacab bacao bacca bacco bacon banan banba banca banco banna banon banov bavan bavon bo-bo boaco boann boano bobac boban boboc bobov bocac bocao bocca bocna bocoa bocon bonab bonan bonao bonon bonva booba booco bovan c-a-c ca-ca caaan caaba caano caban cabob caboc cabon cabov cacao caco- cacoa canan canao canna canoa canon canoo canva caoba cavac cavan ccccc cnnnn cnova co-bo co-co coana coava coban cocao cocc- cocco cocoa cocon conan conca conco conna cono- conob conon convo cooba covan naban nabao nabba naboa nabob naboo nacaa nacac nacba naccc nacna nanan nanao nann- nanna nanno nano- nanoa nanoc nanon nanov nanva navan navon nbaon nnooo no-no noboa nobob nocab nocan nona- nonac nonan nonna nonno novac novo- novoc o-bon obaba obava obcov ocana ocova onabc onano onaon onavo onco- onnbc onoba onoon ooooo oovoo ovca ovcon ovoca v-bob vaana vacca vacoa vacon vacov vanab vanan vanna vanoc vanov vaona vavan vocab vocca