9 letter words:
benefiter14,
interfere12,
8 letter words:
referent11,
returnee8,
reuniter8,
unretire8,
7 letter words:
beefier12,
benefit12,
briefer12,
freebie12,
fernier10,
ferrite10,
fruiter10,
reefier10,
refiner10,
refuter10,
turfier10,
beerier9,
bruiter9,
tribune9,
turbine9,
enterer7,
reenter7,
reinter7,
rentier7,
retinue7,
retiree7,
reunite7,
runtier7,
teenier7,
terreen7,
terrene7,
terrine7,
uterine7,
6 letter words:
befret11,
bereft11,
ferine9,
ferret9,
reefer9,
refine9,
refire9,
refute9,
unfree9,
briner8,
brunet8,
bunter8,
burier8,
burner8,
burnet8,
burnie8,
butene8,
rubier8,
eerier6,
entire6,
entree6,
eterne6,
neuter6,
renter6,
rerent6,
retene6,
retine6,
retire6,
retune6,
return6,
ruiner6,
teener6,
tenure6,
triene6,
triune6,
tureen6,
turner6,
uniter6,
ureter6,
5 letter words:
befit10,
brief10,
fiber10,
fibre10,
feint8,
finer8,
firer8,
freer8,
frere8,
frier8,
fruit8,
infer8,
refer8,
refit8,
rifer8,
unfit8,
beret7,
biner7,
biter7,
brent7,
brier7,
brine7,
bruin7,
bruit7,
brunt7,
brute7,
buret7,
burin7,
burnt7,
rebut7,
tribe7,
tuber7,
eerie5,
enter5,
enure5,
inert5,
inter5,
inure5,
niter5,
nitre5,
rente5,
rerun5,
retie5,
rutin5,
terne5,
treen5,
trier5,
trine5,
truer5,
tuner5,
unite5,
untie5,
urine5,
uteri5,
4 letter words:
beef9,
feeb9,
enuf7,
feet7,
fere7,
fern7,
fete7,
fine7,
fire7,
firn7,
free7,
fret7,
frit7,
neif7,
reef7,
reft7,
reif7,
rife7,
rift7,
tref7,
turf7,
been6,
beer6,
beet6,
bene6,
bent6,
bier6,
bine6,
bint6,
birr6,
bite6,
bree6,
bren6,
brie6,
brin6,
brit6,
brut6,
bunt6,
burn6,
burr6,
bute6,
rube6,
tube6,
unbe6,
erne4,
etui4,
nite4,
rein4,
rent4,
rete4,
rite4,
ruer4,
ruin4,
rune4,
runt4,
teen4,
tern4,
tier4,
tine4,
tire4,
tree4,
true4,
tune4,
turn4,
unit4,
3 letter words:
fib8,
fub8,
eft6,
fee6,
fen6,
fer6,
fet6,
feu6,
fie6,
fin6,
fir6,
fit6,
fun6,
fur6,
ref6,
rif6,
bee5,
ben5,
bet5,
bin5,
bit5,
brr5,
bun5,
bur5,
but5,
neb5,
nib5,
nub5,
reb5,
rib5,
rub5,
tub5,
urb5,
ere3,
ern3,
err3,
ire3,
nee3,
net3,
nit3,
nut3,
ree3,
rei3,
ret3,
rin3,
rue3,
run3,
rut3,
tee3,
ten3,
tie3,
tin3,
tui3,
tun3,
urn3,
ute3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
en2,
er2,
et2,
in2,
it2,
ne2,
nu2,
re2,
ti2,
un2,
ut2,