6 letter words:
sulfur9,
5 letter words:
frugs9,
fugus9,
gulfs9,
furls8,
turfs8,
gluts6,
gurus6,
trugs6,
4 letter words:
futz16,
lutz13,
frug8,
fugs8,
fugu8,
gulf8,
flus7,
furl7,
furs7,
surf7,
turf7,
glut5,
guls5,
guru5,
gust5,
guts5,
lugs5,
rugs5,
slug5,
trug5,
tugs5,
lust4,
rust4,
ruts4,
slur4,
slut4,
sulu4,
ulus4,
urus4,
3 letter words:
fug7,
flu6,
fur6,
gul4,
gut4,
lug4,
rug4,
tug4,
rut3,
ulu3,
uts3,
2 letter words:
us2,
ut2,