11 letter words:
afterburner16,
9 letter words:
furbearer14,
8 letter words:
banterer10,
barrener10,
barterer10,
renature8,
returner8,
7 letter words:
feature10,
ferrate10,
refuter10,
rebater9,
urbaner9,
terrane7,
6 letter words:
befret11,
bereft11,
afreet9,
fearer9,
feater9,
ferret9,
frater9,
furane9,
rafter9,
refute9,
unfree9,
arbute8,
banter8,
barren8,
barret8,
barter8,
bearer8,
beaten8,
beater8,
berate8,
brunet8,
bunter8,
burner8,
burnet8,
burrer8,
butane8,
butene8,
rebate8,
rurban8,
turban8,
unbear8,
urbane8,
earner6,
entera6,
errant6,
nature6,
nearer6,
neater6,
neuter6,
ranter6,
rearer6,
reearn6,
renter6,
rerent6,
retear6,
retune6,
return6,
tearer6,
tenure6,
terrae6,
tureen6,
turner6,
ureter6,
5 letter words:
fubar10,
after8,
farer8,
feuar8,
freer8,
frena8,
frere8,
furan8,
refer8,
barer7,
barre7,
beaut7,
beret7,
brant7,
brent7,
brunt7,
brute7,
buran7,
buret7,
burnt7,
rebar7,
rebut7,
taber7,
tabun7,
tubae7,
tuber7,
unbar7,
urban7,
antre5,
arene5,
arete5,
eaten5,
eater5,
enate5,
enter5,
enure5,
ranee5,
rarer5,
rater5,
rente5,
reran5,
rerun5,
tarre5,
terne5,
terra5,
treen5,
truer5,
tuner5,
urare5,
urate5,
4 letter words:
barf9,
beef9,
feeb9,
enuf7,
fane7,
fare7,
fart7,
fate7,
faun7,
fear7,
feat7,
feet7,
fere7,
fern7,
feta7,
fete7,
frae7,
frat7,
free7,
fret7,
raft7,
reef7,
reft7,
tref7,
tufa7,
turf7,
abet6,
abut6,
bane6,
bare6,
barn6,
bate6,
bean6,
bear6,
beat6,
beau6,
been6,
beer6,
beet6,
bene6,
bent6,
beta6,
brae6,
bran6,
brat6,
bree6,
bren6,
brrr6,
brut6,
buna6,
bunt6,
bura6,
burn6,
burr6,
bute6,
nabe6,
rube6,
tabu6,
tuba6,
tube6,
unbe6,
ante4,
aunt4,
earn4,
erne4,
etna4,
near4,
neat4,
rant4,
rare4,
rate4,
rear4,
rent4,
rete4,
ruer4,
rune4,
runt4,
tare4,
tarn4,
tear4,
teen4,
tern4,
tree4,
true4,
tuna4,
tune4,
turn4,
urea4,
3 letter words:
fab8,
fub8,
aft6,
arf6,
eft6,
fan6,
far6,
fat6,
fee6,
fen6,
fer6,
fet6,
feu6,
fun6,
fur6,
ref6,
arb5,
ban5,
bar5,
bat5,
bee5,
ben5,
bet5,
bra5,
brr5,
bun5,
bur5,
but5,
nab5,
neb5,
nub5,
reb5,
rub5,
tab5,
tub5,
urb5,
ane3,
ant3,
are3,
art3,
ate3,
ear3,
eat3,
eau3,
era3,
ere3,
ern3,
err3,
eta3,
nae3,
nee3,
net3,
nut3,
ran3,
rat3,
ree3,
ret3,
rue3,
run3,
rut3,
tae3,
tan3,
tar3,
tau3,
tea3,
tee3,
ten3,
tun3,
urn3,
uta3,
ute3,
2 letter words:
ef5,
fa5,
fe5,
ab4,
ba4,
be4,
ae2,
an2,
ar2,
at2,
en2,
er2,
et2,
na2,
ne2,
nu2,
re2,
ta2,
un2,
ut2,