11 letter words:
firefighter21,
9 letter words:
firefight19,
freighter16,
7 letter words:
fighter14,
freight14,
refight14,
heftier13,
grifter11,
righter11,
ferrite10,
fierier10,
reifier10,
6 letter words:
fright13,
griffe13,
hefter12,
heifer12,
iffier12,
giftee10,
either9,
feirie9,
ferret9,
refire9,
rehire9,
regret7,
retire6,
5 letter words:
fifth14,
fight12,
griff12,
fifer11,
firth11,
frith11,
thief11,
eight9,
girth9,
grief9,
grift9,
grith9,
right9,
ether8,
firer8,
freer8,
frere8,
frier8,
hiree8,
hirer8,
ither8,
refer8,
refit8,
rifer8,
their8,
there8,
three8,
egret6,
greet6,
rerig6,
tiger6,
retie5,
trier5,
4 letter words:
fief10,
fife10,
heft10,
riff10,
teff10,
tiff10,
frig8,
ghee8,
gift8,
feet7,
fere7,
fete7,
fire7,
free7,
fret7,
frit7,
heir7,
here7,
hire7,
reef7,
reft7,
reif7,
rife7,
rift7,
thee7,
thir7,
tref7,
eger5,
girt5,
gite5,
gree5,
grit5,
trig5,
rete4,
rite4,
tier4,
tire4,
tree4,
3 letter words:
eff9,
feh9,
iff9,
fig7,
ghi7,
eft6,
eth6,
fee6,
fer6,
fet6,
fie6,
fir6,
fit6,
her6,
het6,
hie6,
hit6,
ref6,
rif6,
the6,
erg4,
gee4,
get4,
gie4,
git4,
reg4,
rig4,
teg4,
ere3,
err3,
ire3,
ree3,
rei3,
ret3,
tee3,
tie3,
2 letter words:
ef5,
eh5,
fe5,
he5,
hi5,
if5,
er2,
et2,
it2,
re2,
ti2,