8 letter words:
frontier11,
7 letter words:
fronter10,
refront10,
rotifer10,
6 letter words:
forint9,
forren9,
forrit9,
froren9,
frorne9,
ironer6,
norite6,
orient6,
retorn6,
rioter6,
tonier6,
5 letter words:
feint8,
fetor8,
fient8,
finer8,
firer8,
forte8,
freit8,
freon8,
frier8,
front8,
frore8,
frorn8,
infer8,
often8,
ofter8,
refit8,
rifer8,
rifte8,
treif8,
inert5,
inter5,
intro5,
irone5,
niter5,
nitre5,
nitro5,
noter5,
retro5,
ronte5,
rorie5,
tenor5,
toner5,
trier5,
trine5,
trior5,
trone5,
4 letter words:
feni7,
fent7,
fern7,
fier7,
fine7,
fino7,
fire7,
firn7,
foen7,
foin7,
fone7,
font7,
fore7,
fort7,
fret7,
frit7,
froe7,
info7,
neif7,
nief7,
nife7,
orfe7,
reft7,
reif7,
rife7,
rift7,
terf7,
tref7,
inro4,
into4,
iron4,
nite4,
noir4,
nori4,
note4,
oint4,
oner4,
onie4,
rein4,
rent4,
rine4,
riot4,
rite4,
roin4,
rone4,
ront4,
rore4,
rort4,
rote4,
roti4,
tern4,
tier4,
tine4,
tire4,
tiro4,
tirr4,
tone4,
tore4,
tori4,
torn4,
torr4,
trie4,
trin4,
trio4,
tron4,
3 letter words:
eft6,
erf6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
foe6,
fon6,
for6,
fro6,
nef6,
oft6,
orf6,
ref6,
rif6,
tef6,
eon3,
ern3,
err3,
ion3,
ire3,
net3,
nie3,
nit3,
nor3,
not3,
one3,
ore3,
ort3,
rei3,
ren3,
reo3,
ret3,
rin3,
rit3,
roe3,
rot3,
ten3,
tie3,
tin3,
toe3,
ton3,
tor3,
2 letter words:
ef5,
fe5,
if5,
of5,
en2,
er2,
et2,
in2,
io2,
it2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,
te2,
ti2,
to2,