5 letter words:
fagin9,
fungi9,
4 letter words:
fuji14,
juga12,
fang8,
fain7,
faun7,
naif7,
agin5,
gain5,
gaun5,
guan5,
unai4,
3 letter words:
jag11,
jig11,
jug11,
jin10,
jun10,
fag7,
fig7,
fug7,
fan6,
fin6,
fun6,
gan4,
gin4,
gnu4,
gun4,
nag4,
ain3,
ani3,
2 letter words:
fa5,
if5,
ag3,
ai2,
an2,
in2,
na2,
nu2,
un2,