-ana a-un aaaa aaab aaan aaba aabb aana aaon aaoo abaa abab aban abau abb- abba abbb abbo abnu aboa abob abon aboo abou abua abun ana- anaa anab anan anao anau anba anbb anbo anbu anna annb anno ano- anoa anon anua anub anun aoba aonb aono aoun auaa auna baaa baan baba babb babo babu bana bann bano banu baon bau- bbau bbbb boab boan boba bobb bobo bobu bona bonn bono bonu boob boon boua boun buba bubb bubo bubu buna bunb bunn buno bunu buon naaa naab naan naba nabo nabu nan- nana nanb nann nano nanu nauo nbaa nbbo nnnn noaa noba nobo nobu non- nona nonn nono nonu noo- noob noon nooo noun nuan nuba nuna nunn nuno nuon oaau oban obba obbo obon onab onan onna onno onon ooaa ooba oona oooo ouan oun- ouna ouu- uaua ubba ubbo ubon unaa unan unau unna unno unon uuno uuuu