7 letter words:
gunfire11,
6 letter words:
feuing10,
figure10,
finger10,
fringe10,
rueing7,
5 letter words:
feign9,
fugie9,
fungi9,
grief9,
grufe9,
finer8,
infer8,
ering6,
grein6,
niger6,
reign6,
renig6,
ruing6,
unrig6,
inure5,
urine5,
4 letter words:
frig8,
frug8,
fung8,
enuf7,
feni7,
fern7,
fier7,
fine7,
fire7,
firn7,
neif7,
nief7,
nife7,
reif7,
rife7,
genu5,
gien5,
girn5,
gren5,
grin5,
grue5,
gurn5,
ring5,
rung5,
urge5,
iure4,
rein4,
rine4,
ruin4,
rune4,
3 letter words:
feg7,
fig7,
fug7,
gif7,
erf6,
fen6,
fer6,
feu6,
fie6,
fin6,
fir6,
fun6,
fur6,
nef6,
ref6,
rif6,
eng4,
erg4,
gen4,
gie4,
gin4,
gnu4,
gue4,
gun4,
gur4,
neg4,
reg4,
rig4,
rug4,
ern3,
ire3,
nie3,
nur3,
rei3,
ren3,
rin3,
rue3,
run3,
uni3,
ure3,
urn3,
2 letter words:
ef5,
fe5,
if5,
gi3,
gu3,
ug3,
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,
ur2,
