-ana aaaa aaab aaaf aaan aaba aabb aabt aafa aafb aaff aana aang aaon aaoo aata aatf aatt abaa abab abaf abag aban abat abb- abba abbb abbo abbt abff aboa abob abof abon aboo abot abta afaa afan afao afat affa affo afft afgf afoa afog afoo afta aftn ag-o agag agan agao agat agba agbo agfa agga agna agno agob agog agon agoo agot agta ana- anaa anab anag anan anao anat anba anbb anbo anfa anfo ang- anga ango anna annb anno annt ano- anoa anon ant- anta anto antt aoba aonb aono aont aotf at-t ataa atab atan atat atfb atgo atna atno atob atof aton atot atta attn atto baaa baaf baan baat baba babb babo baff bafo baft baga bagg bagn bago bagt bana bang bann bano bant baon bata batf batn bato batt bbbb bbfn bbga bbng bfgf bfta bftt bgan bgon bnta boab boag boan boat boba bobb bobo bofa boff boga bogg bogo bogt bona bong bonn bono bont boob boof boog boon boot bota botb botn boto bott btaa btaf btan btob bttb faaa faan faba fabo fafa faff fafg fafo fagg fago fana fang fano fant faon fata fatf fato fatt ffff fftf fnta fntb foaf foan foba fobt fofo fogg fogn fogo fong fono font foof foon foot fota foto fott ftan gaba gabb gabo gabt gafa gafb gaff gaft gaga gagg gago gana gang gann gano gant gaon gata gato gatt gbag gban gbbo gbon gffa gfoa ggbt ggfg gggg gnaa gnat gnof gnoo goaf goan goat goba gobo goff goga gogo gon- gona gong gonn gono goof goog goon goot gota goto gott gtaa gtfo gtta naaa naab naag naan naat naba nabf nabo nafa naff nafo naga nago nan- nana nanb nang nann nano nant naot nata nato natt nbaa nbaf nbbo nbfa nfaa nfat nfff nfon nfta nfto ngab ngan ngao ngon ngtn nngn nnnn nnot nntn noaa noat noba nobo noga nogg nogo nogt non- nona nong nonn nono nont noo- noob noon nooo noot not- nota noto nott ntof ntto oafo oban obba obbo obon obot ofan off- offa offo ofgo ofna ofno ofta ogb ogba ogna ogoa ogog ogon onab onan onat onga ongo onna onno onon ont- onto ooaa ooba ooff oona oont oooo ootb otan oto- otof otog oton otoo otta otto taa- taaf taag taan taat taba tabb tabo tafa taff tafo taft taga tagg tago tana tang tann tano tant taoa tata tatb tato tatt tbaf tbnf tbta tfot tgfa tnag toab toan toat toba tobo tobt tofa toff tofo toft toga togo togt tona tonb tong tonn tono tooa toof toon toot tota toto tott ttab ttbb ttfa ttff ttfn tton tttt