-aaa- aaaoc aabaa aabba aacbc aakko abaab ababa abaca aback abaco abaka abako abana abanc abank abann abano abaon abbac abban abcan abccc abkoo abnak aboab abobo abona abono abook aboon acaca acacb acack acana acock acook akaba akabo akana akaoa akban akobo akoka akoko akona akono anaba anack anaco anaka anana anban ancon ankaa annan anoak anoba anoka anona anono anoon babak baban babka baboo bacab bacao bacca bacco back- backa backn bacon bakan bakka bakoa bakon banak banan banba banca banck banco banka banna banon bbook bcock bo-bo boaco boann boano bobac bobak boban bobko boboc bobok bocac bocao bocca bocka bocna bocoa bocon bokaa bokko bokok bonab bonan bonao bonka bonon booba boock booco booko boonk c-a-c ca-ca caaan caaba caano caban cabob caboc cabok cabon cacak cacao caco- cacoa canan canao canna canoa canon canoo caoba ccccc cnnnn co-bo co-co coana coban cocao cocc- cocco cocka cocoa cocon cokak cokk- conan conca conck conco conna cono- conob conon cooba k-a-o kaaba kabaa kabab kabak kaban kabba kabob kakan kakao kakka kakko kako- kakon kanab kanak kanka kanna kanno kanon kanoo kaona kaooa kbank knack knock knokk ko-ko koban kocab kocak kocon kokab kokak kokan kokka kokko kokna konak konan konka konna konno kooba kooka koona naaak naban nabao nabba naboa nabob naboo nacaa nacac nacba naccc nacka nacna nakao nakba nakoo nanak nanan nanao nanka nann- nanna nanno nano- nanoa nanoc nanon naoko nbaon nkana nnooo no-no noank noboa nobob nocab nocan nokko nokon nona- nonac nonan nonka nonna nonno o-bon obaba obock ocana okaka okano okkan okobo okoc onabc onaka onano onaon onco- onnbc onoba onoon ooooo