9 letter words:
forebrain14,
8 letter words:
airborne10,
7 letter words:
bonfire12,
forbare12,
forbear12,
foreran10,
refrain10,
barnier9,
6 letter words:
fainer9,
fairer9,
infare9,
barren8,
barrio8,
bonier8,
borane8,
briner8,
orbier8,
reborn8,
ironer6,
5 letter words:
brief10,
fiber10,
fibre10,
afire8,
afore8,
farer8,
feria8,
finer8,
firer8,
frena8,
friar8,
frier8,
frore8,
infer8,
infra8,
rifer8,
arbor7,
bairn7,
barer7,
baron7,
barre7,
beano7,
biner7,
boner7,
borer7,
borne7,
brain7,
briar7,
brier7,
brine7,
rebar7,
robin7,
airer5,
irone5,
noria5,
reran5,
4 letter words:
barf9,
forb9,
fain7,
fair7,
fane7,
fano7,
fare7,
faro7,
fear7,
fern7,
fiar7,
fine7,
fino7,
fire7,
firn7,
foin7,
fora7,
fore7,
frae7,
froe7,
info7,
naif7,
neif7,
reif7,
rife7,
abri6,
bane6,
bani6,
bare6,
barn6,
bean6,
bear6,
bier6,
bine6,
biro6,
birr6,
boar6,
bone6,
bora6,
bore6,
born6,
brae6,
bran6,
bren6,
brie6,
brin6,
brio6,
ebon6,
nabe6,
obia6,
robe6,
aeon4,
aero4,
airn4,
earn4,
inro4,
iron4,
naoi4,
near4,
noir4,
nori4,
orra4,
rain4,
rani4,
rare4,
rear4,
rein4,
roan4,
roar4,
3 letter words:
fab8,
fib8,
fob8,
arf6,
fan6,
far6,
fen6,
fer6,
fie6,
fin6,
fir6,
foe6,
fon6,
for6,
fro6,
oaf6,
ref6,
rif6,
abo5,
arb5,
ban5,
bar5,
ben5,
bin5,
bio5,
boa5,
bra5,
bro5,
brr5,
nab5,
neb5,
nib5,
nob5,
oba5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
ain3,
air3,
ane3,
ani3,
are3,
ear3,
eon3,
era3,
ern3,
err3,
ion3,
ire3,
nae3,
nor3,
oar3,
one3,
ora3,
ore3,
rai3,
ran3,
rei3,
ria3,
rin3,
roe3,
2 letter words:
ef5,
fa5,
fe5,
if5,
of5,
ab4,
ba4,
be4,
bi4,
bo4,
ae2,
ai2,
an2,
ar2,
en2,
er2,
in2,
na2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,