6 letter words:
guanin7,
ungain7,
5 letter words:
ingan6,
4 letter words:
agin5,
gain5,
gaun5,
ginn5,
guan5,
nain4,
unai4,
3 letter words:
gan4,
gau4,
gin4,
gnu4,
gun4,
nag4,
ain3,
ani3,
ann3,
inn3,
nan3,
nun3,
uni3,
2 letter words:
ag3,
gi3,
gu3,
ug3,
ai2,
an2,
in2,
na2,
nu2,
un2,