7 letter words:
frounce12,
6 letter words:
confer11,
conger9,
5 letter words:
force10,
forge9,
fungo9,
gofer9,
gonef9,
conge8,
cornu7,
crone7,
ounce7,
recon7,
erugo6,
genro6,
goner6,
rogue6,
rouge6,
rouen5,
4 letter words:
corf9,
curf9,
frog8,
frug8,
enuf7,
fern7,
fore7,
four7,
froe7,
cero6,
cone6,
core6,
corn6,
cure6,
curn6,
ecru6,
once6,
unco6,
ergo5,
genu5,
goer5,
gone5,
gore5,
grue5,
ogre5,
rung5,
urge5,
euro4,
roue4,
rune4,
3 letter words:
fog7,
fug7,
cog6,
fen6,
fer6,
feu6,
foe6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
ref6,
con5,
cor5,
cru5,
cue5,
cur5,
ecu5,
orc5,
rec5,
roc5,
ego4,
eng4,
erg4,
gen4,
gnu4,
gor4,
gun4,
neg4,
nog4,
reg4,
rug4,
eon3,
ern3,
nor3,
one3,
ore3,
our3,
roe3,
rue3,
run3,
urn3,
2 letter words:
ef5,
fe5,
of5,
go3,
en2,
er2,
ne2,
no2,
nu2,
oe2,
on2,
or2,
re2,
un2,