12 letter words:
fireproofing21,
10 letter words:
proffering19,
reproofing16,
9 letter words:
fireproof17,
prefiring15,
reroofing13,
8 letter words:
offering15,
proofing14,
fringier12,
refiring12,
inferior11,
peignoir11,
7 letter words:
piffero15,
proffer15,
griffin14,
griffon14,
reffing14,
riffing14,
niffier13,
offeror13,
perfing13,
forpine12,
poofier12,
porifer12,
proofer12,
reproof12,
firring11,
foreign11,
forgoer11,
forgone11,
goofier11,
roofing11,
epigoni10,
goopier10,
gripier10,
perigon10,
pierogi10,
pirogen10,
pongier10,
porrigo10,
roofier10,
rooping10,
pornier9,
ripieno9,
roopier9,
girnier8,
goonier8,
ignorer8,
ironier7,
6 letter words:
ripoff14,
effing13,
fifing13,
goffer13,
goniff13,
griffe13,
offing13,
iffier12,
niffer12,
fripon11,
perfin11,
finger10,
firing10,
forego10,
forger10,
fringe10,
froing10,
epigon9,
fiorin9,
forren9,
froren9,
frorne9,
griper9,
groper9,
oofier9,
ooping9,
pieing9,
pigeon9,
pinger9,
pirogi9,
pogoer9,
pooing9,
porgie9,
poring9,
proign9,
reroof9,
riping9,
roofer9,
roofie9,
roping9,
operon8,
orpine8,
pernio8,
perron8,
pinier8,
pioner8,
pirnie8,
poorer8,
porier8,
proine8,
proner8,
ropier8,
eringo7,
erring7,
girner7,
girnie7,
gooier7,
goonie7,
goorie7,
gorier7,
ignore7,
noogie7,
orgone7,
origin7,
orogen7,
region7,
ringer7,
ironer6,
oorier6,
5 letter words:
griff12,
fifer11,
offer11,
reffo11,
preif10,
prief10,
proof10,
feign9,
fogie9,
forge9,
forgo9,
gofer9,
gonef9,
gonif9,
gonof9,
grief9,
groof9,
finer8,
firer8,
firie8,
freon8,
frier8,
frore8,
frorn8,
genip8,
gipon8,
gripe8,
grope8,
infer8,
oping8,
pengo8,
piing8,
pingo8,
pirog8,
pongo8,
porge8,
prong8,
rifer8,
opine7,
orpin7,
poori7,
porer7,
porno7,
prier7,
prion7,
prior7,
proin7,
prone7,
prore7,
repin7,
repro7,
ripen7,
riper7,
roper7,
ergon6,
ering6,
genii6,
genro6,
giron6,
goier6,
goner6,
grein6,
groin6,
grone6,
iring6,
negro6,
niger6,
reign6,
renig6,
rerig6,
rigor6,
roger6,
irone5,
oorie5,
roneo5,
rorie5,
4 letter words:
goff11,
fief10,
fife10,
fifi10,
niff10,
riff10,
poof9,
prof9,
figo8,
frig8,
frog8,
goof8,
feni7,
fern7,
fier7,
fine7,
fini7,
fino7,
fire7,
firn7,
foen7,
foin7,
fone7,
fore7,
froe7,
goop7,
gorp7,
grip7,
info7,
neif7,
nief7,
nife7,
orfe7,
ping7,
pogo7,
pong7,
prig7,
prog7,
reif7,
rife7,
roof7,
noop6,
nope6,
open6,
pein6,
peni6,
peon6,
peri6,
pern6,
pier6,
pine6,
pion6,
pirn6,
pone6,
poon6,
poor6,
pore6,
porn6,
proo6,
repo6,
ripe6,
roop6,
rope6,
ergo5,
gien5,
girn5,
giro5,
girr5,
goer5,
gone5,
goon5,
goor5,
gore5,
gori5,
gren5,
grin5,
ingo5,
ogre5,
rego5,
ring5,
rong5,
inro4,
iron4,
noir4,
nori4,
oner4,
onie4,
rein4,
rine4,
roin4,
rone4,
roon4,
rore4,
3 letter words:
eff9,
iff9,
off9,
fop8,
feg7,
fig7,
fog7,
gif7,
erf6,
fen6,
fer6,
fie6,
fin6,
fir6,
foe6,
fon6,
for6,
fro6,
gip6,
nef6,
oof6,
orf6,
peg6,
pig6,
ref6,
rif6,
nep5,
nip5,
oop5,
ope5,
pen5,
per5,
pie5,
pin5,
pir5,
poi5,
poo5,
pre5,
pro5,
rep5,
rip5,
ego4,
eng4,
erg4,
gen4,
geo4,
gie4,
gin4,
gio4,
goe4,
gon4,
goo4,
gor4,
neg4,
nog4,
reg4,
rig4,
eon3,
ern3,
err3,
ion3,
ire3,
nie3,
noo3,
nor3,
one3,
ono3,
oon3,
oor3,
ore3,
rei3,
ren3,
reo3,
rin3,
roe3,
roo3,
2 letter words:
ef5,
fe5,
if5,
of5,
op4,
pe4,
pi4,
po4,
gi3,
go3,
en2,
er2,
in2,
io2,
ne2,
no2,
oe2,
oi2,
on2,
oo2,
or2,
re2,
