8 letter words:
frontier11,
7 letter words:
forfeit13,
troffer13,
bonfire12,
fronter10,
refront10,
rotifer10,
bornite9,
orbiter9,
6 letter words:
boffin14,
effort12,
niffer12,
forint9,
forrit9,
bonier8,
briner8,
orbier8,
reborn8,
ironer6,
norite6,
orient6,
retorn6,
rioter6,
tonier6,
5 letter words:
fifer11,
offer11,
befit10,
brief10,
fiber10,
fibre10,
feint8,
fetor8,
finer8,
firer8,
forte8,
frier8,
front8,
frore8,
infer8,
often8,
ofter8,
refit8,
rifer8,
bento7,
beton7,
biner7,
biont7,
biter7,
boite7,
boner7,
borer7,
borne7,
brent7,
brier7,
brine7,
orbit7,
robin7,
tribe7,
inert5,
inter5,
intro5,
irone5,
niter5,
nitre5,
nitro5,
noter5,
retro5,
tenor5,
toner5,
trier5,
trine5,
trone5,
4 letter words:
biff12,
boff12,
fief10,
fife10,
riff10,
teff10,
tiff10,
toff10,
forb9,
fern7,
fine7,
fino7,
fire7,
firn7,
foin7,
font7,
fore7,
fort7,
fret7,
frit7,
froe7,
info7,
neif7,
reft7,
reif7,
rife7,
rift7,
tref7,
bent6,
bier6,
bine6,
bint6,
biro6,
birr6,
bite6,
bone6,
bore6,
born6,
bort6,
bren6,
brie6,
brin6,
brio6,
brit6,
ebon6,
obit6,
robe6,
inro4,
into4,
iron4,
nite4,
noir4,
nori4,
note4,
rein4,
rent4,
riot4,
rite4,
rote4,
roti4,
tern4,
tier4,
tine4,
tire4,
tiro4,
tone4,
tore4,
tori4,
torn4,
torr4,
trio4,
3 letter words:
eff9,
iff9,
off9,
fib8,
fob8,
eft6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
foe6,
fon6,
for6,
fro6,
oft6,
ref6,
rif6,
ben5,
bet5,
bin5,
bio5,
bit5,
bot5,
bro5,
brr5,
neb5,
nib5,
nob5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
eon3,
ern3,
err3,
ion3,
ire3,
net3,
nit3,
nor3,
not3,
one3,
ore3,
ort3,
rei3,
ret3,
rin3,
roe3,
rot3,
ten3,
tie3,
tin3,
toe3,
ton3,
tor3,
2 letter words:
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
en2,
er2,
et2,
in2,
it2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,
ti2,
to2,