5 letter words:
fanga9,
fauna8,
guana6,
4 letter words:
cauf9,
fang8,
fung8,
cang7,
faan7,
faun7,
anga5,
gaun5,
guan5,
naga5,
3 letter words:
fag7,
fug7,
auf6,
cag6,
faa6,
fan6,
fun6,
caa5,
can5,
aga4,
gan4,
gau4,
gnu4,
gun4,
nag4,
ana3,
aua3,
2 letter words:
fa5,
ag3,
gu3,
ug3,
aa2,
an2,
na2,
nu2,
un2,