10 letter words:
forefinger17,
reoffering17,
9 letter words:
foreigner13,
8 letter words:
offering15,
fingerer12,
erigeron9,
7 letter words:
griffon14,
reffing14,
offerer13,
reoffer13,
feigner11,
foreign11,
freeing11,
reefing11,
reforge11,
fernier10,
refiner10,
ignorer8,
onerier7,
6 letter words:
goffer13,
goniff13,
griffe13,
offing13,
niffer12,
feeing10,
finger10,
forger10,
fringe10,
ferine9,
refine9,
refire9,
eringo7,
erring7,
gorier7,
ignore7,
region7,
ringer7,
ironer6,
5 letter words:
griff12,
fifer11,
offer11,
feign9,
fogie9,
forge9,
gofer9,
gonef9,
gonif9,
grief9,
finer8,
firer8,
freer8,
frere8,
frier8,
frore8,
infer8,
refer8,
rifer8,
genie6,
genre6,
genro6,
giron6,
goner6,
green6,
groin6,
reign6,
renig6,
rerig6,
rigor6,
roger6,
irone5,
4 letter words:
fief10,
fife10,
riff10,
frig8,
frog8,
fere7,
fern7,
fine7,
fino7,
fire7,
firn7,
foin7,
fore7,
free7,
froe7,
info7,
neif7,
reef7,
reif7,
rife7,
eger5,
ergo5,
gene5,
gien5,
girn5,
giro5,
goer5,
gone5,
gore5,
gree5,
grin5,
ogee5,
ogre5,
ring5,
erne4,
inro4,
iron4,
noir4,
nori4,
rein4,
3 letter words:
eff9,
iff9,
off9,
fig7,
fog7,
fee6,
fen6,
fer6,
fie6,
fin6,
fir6,
foe6,
fon6,
for6,
fro6,
ref6,
rif6,
ego4,
eng4,
erg4,
gee4,
gen4,
gie4,
gin4,
gor4,
neg4,
nog4,
reg4,
rig4,
eon3,
ere3,
ern3,
err3,
ion3,
ire3,
nee3,
nor3,
one3,
ore3,
ree3,
rei3,
rin3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
go3,
en2,
er2,
in2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,