8 letter words:
furlough15,
5 letter words:
ghoul9,
lough9,
rough9,
flour8,
fluor8,
4 letter words:
flog8,
frog8,
frug8,
fugu8,
golf8,
gulf8,
foul7,
four7,
furl7,
hour7,
hurl7,
rolf7,
guru5,
lour4,
3 letter words:
foh9,
fog7,
fug7,
hog7,
hug7,
ugh7,
flu6,
for6,
fou6,
fro6,
fur6,
rho6,
gor4,
gul4,
log4,
lug4,
rug4,
our3,
ulu3,
2 letter words:
ho5,
of5,
oh5,
uh5,
go3,
lo2,
or2,