9 letter words:
inferring13,
infringer13,
8 letter words:
fringier12,
infringe12,
refining12,
refiring12,
7 letter words:
finnier10,
ginnier8,
grinner8,
reining8,
6 letter words:
finger10,
fining10,
firing10,
fringe10,
erring7,
ginner7,
ringer7,
5 letter words:
feign9,
grief9,
finer8,
firer8,
frier8,
infer8,
rifer8,
genii6,
iring6,
reign6,
renig6,
rerig6,
inner5,
renin5,
4 letter words:
frig8,
fern7,
fine7,
fire7,
firn7,
neif7,
reif7,
rife7,
gien5,
girn5,
grin5,
ring5,
nine4,
rein4,
3 letter words:
fig7,
fen6,
fer6,
fie6,
fin6,
fir6,
ref6,
rif6,
eng4,
erg4,
gen4,
gie4,
gin4,
neg4,
reg4,
rig4,
ern3,
err3,
inn3,
ire3,
rei3,
rin3,
2 letter words:
ef5,
fe5,
if5,
en2,
er2,
in2,
ne2,
re2,