-ana aaaa aaab aaan aaba aabb aana aang aaon aaoo abaa abab abag aban abb- abba abbb abbo aboa abob abon aboo ag-o agag agan agao agba agbo agga agna agno agob agog agon agoo ana- anaa anab anag anan anao anba anbb anbo ang- anga ango anna annb anno ano- anoa anon aoba aonb aono baaa baan baba babb babo baga bagg bagn bago bana bang bann bano baon bbbb bbga bbng bgan bgon boab boag boan boba bobb bobo boga bogg bogo bona bong bonn bono boob boog boon gaba gabb gabo gaga gagg gago gana gang gann gano gaon gbag gban gbbo gbon gggg gnaa gnoo goan goba gobo goga gogo gon- gona gong gonn gono goog goon naaa naab naag naan naba nabo naga nago nan- nana nanb nang nann nano nbaa nbbo ngab ngan ngao ngon nngn nnnn noaa noba nobo noga nogg nogo non- nona nong nonn nono noo- noob noon nooo oban obba obbo obon ogb ogba ogna ogoa ogog ogon onab onan onga ongo onna onno onon ooaa ooba oona oooo