6 letter words:
fungus10,
furans9,
snafus9,
snarfs9,
augurs7,
sugars7,
5 letter words:
fangs9,
frags9,
frugs9,
fugus9,
fauns8,
frass8,
furan8,
snafu8,
snarf8,
surfs8,
argus6,
augur6,
gaurs6,
gauss6,
gnars6,
grans6,
grass6,
guans6,
guars6,
gurus6,
rungs6,
snags6,
snugs6,
sugar6,
suras5,
unaus5,
4 letter words:
fags8,
fang8,
frag8,
frug8,
fugs8,
fugu8,
arfs7,
fans7,
faun7,
funs7,
furs7,
fuss7,
surf7,
gars5,
gaun5,
gaur5,
gnar5,
gnus5,
gran5,
guan5,
guar5,
guns5,
guru5,
nags5,
rags5,
rang5,
ruga5,
rugs5,
rung5,
sags5,
sang5,
snag5,
snug5,
sung5,
anus4,
runs4,
sans4,
suns4,
sura4,
unau4,
urns4,
ursa4,
urus4,
3 letter words:
fag7,
fug7,
arf6,
fan6,
far6,
fas6,
fun6,
fur6,
ags4,
gan4,
gar4,
gas4,
gnu4,
gun4,
nag4,
rag4,
rug4,
sag4,
ars3,
ass3,
nus3,
ran3,
ras3,
run3,
sau3,
sun3,
uns3,
urn3,
2 letter words:
fa5,
ag3,
an2,
ar2,
as2,
na2,
nu2,
un2,
us2,