6 letter words:
fagins10,
fusing10,
fusain9,
5 letter words:
fujis15,
fagin9,
fangs9,
fungi9,
fauns8,
naifs8,
snafu8,
gains6,
guans6,
signa6,
suing6,
using6,
unais5,
4 letter words:
fuji14,
jags12,
jigs12,
juga12,
jugs12,
jins11,
fags8,
fang8,
figs8,
fugs8,
fain7,
fans7,
faun7,
fins7,
funs7,
naif7,
agin5,
gain5,
gaun5,
gins5,
gnus5,
guan5,
guns5,
nags5,
sang5,
sign5,
sing5,
snag5,
snug5,
sung5,
ains4,
anis4,
anus4,
sain4,
unai4,
3 letter words:
jag11,
jig11,
jug11,
jin10,
jun10,
jus10,
fag7,
fig7,
fug7,
fan6,
fas6,
fin6,
fun6,
ifs6,
ags4,
gan4,
gas4,
gin4,
gnu4,
gun4,
nag4,
sag4,
ain3,
ais3,
ani3,
ins3,
nus3,
sau3,
sin3,
sun3,
uns3,
2 letter words:
fa5,
if5,
ag3,
ai2,
an2,
as2,
in2,
is2,
na2,
nu2,
si2,
un2,
us2,