6 letter words:
goanna7,
5 letter words:
gonna6,
ngana6,
4 letter words:
agon5,
anga5,
naga5,
nong5,
anan4,
anna4,
anno4,
anoa4,
anon4,
naan4,
nana4,
nona4,
3 letter words:
aga4,
ago4,
gan4,
goa4,
gon4,
nag4,
nog4,
ana3,
ann3,
nan3,
non3,
2 letter words:
ag3,
go3,
aa2,
an2,
na2,
no2,
on2,