8 letter words:
fogfruit15,
6 letter words:
frigot10,
outrig7,
rigout7,
5 letter words:
griff12,
gruff12,
triff11,
fugio9,
grift9,
grouf9,
fruit8,
griot6,
grout6,
guiro6,
trigo6,
trugo6,
4 letter words:
goff11,
guff11,
riff10,
ruff10,
tiff10,
toff10,
tuff10,
figo8,
frig8,
frog8,
frug8,
gift8,
fort7,
four7,
frit7,
rift7,
tofu7,
turf7,
giro5,
girt5,
gori5,
gout5,
grit5,
grot5,
trig5,
trog5,
trug5,
riot4,
roti4,
rout4,
tiro4,
tori4,
tour4,
trio4,
3 letter words:
iff9,
off9,
fig7,
fog7,
fug7,
gif7,
fir6,
fit6,
for6,
fou6,
fro6,
fur6,
oft6,
orf6,
rif6,
ufo6,
gio4,
git4,
gor4,
got4,
gur4,
gut4,
rig4,
rug4,
tig4,
tog4,
tug4,
ort3,
our3,
out3,
rit3,
rot3,
rut3,
tor3,
tui3,
2 letter words:
if5,
of5,
gi3,
go3,
gu3,
ug3,
io2,
it2,
oi2,
or2,
ou2,
ti2,
to2,
ur2,
ut2,