-aaa- aaaoc aabaa aabba aacbc aacfo abaab ababa abaca abaco abana abanc abann abano abaon abbac abban abcan abccc abfab aboab abobo abona abono aboon acaca acacb acana acnff afanc afnan afono anaba anaco anana anban ancon annan anoba anona anono anoon baban baboo bacab bacao bacca bacco bacon bafan baffa bafna banaf banan banba banca banco banfa banff banna banon bo-bo boaco boann boano bobac boban boboc bocac bocao bocca bocna bocoa bocon bofan boffa boffo bonab bonan bonao bonon booba booco c-a-c ca-ca caaan caaba caano caban cabob caboc cabon cacao caco- cacoa caffa caffo canan canao canna canoa canof canon canoo caoba ccccc cnnfn cnnnn co-bo co-co coana coban cocao cocc- cocco cocoa cocon coffa conan conca conco conna cono- conob conon cooba fabbo faboo facon fanaa fanac fanca fancb fancf fanna fanof fanon fcaca fofao fonca naban nabao nabba naboa nabob naboo nacaa nacac nacba naccc nacfc nacna nafca nanan nanao nann- nanna nanno nano- nanoa nanoc nanon nbaon nconf nnfcc nnooo no-no noboa nobob nocab nocan nofan nona- nonac nonan nonna nonno o-bon obaba ocana ofafa offof offon ofono onabc onano onaon onco- onnbc onoba onoff onoon ooooo