9 letter words:
fifteener15,
benefiter14,
interfere12,
8 letter words:
efferent14,
freetier11,
referent11,
7 letter words:
fifteen13,
triffer13,
beefier12,
benefit12,
briefer12,
freebie12,
feinter10,
fernier10,
ferrite10,
reefier10,
refiner10,
beerier9,
bentier9,
brenter9,
enterer7,
inerter7,
reenter7,
reinter7,
rentier7,
retiree7,
teenier7,
terreen7,
terrene7,
terrine7,
6 letter words:
biffer14,
effeir12,
effere12,
effete12,
infeft12,
niffer12,
befret11,
bereft11,
bifter11,
enfire9,
enfree9,
feerie9,
feerin9,
ferine9,
ferret9,
fineer9,
infere9,
reefer9,
refine9,
refire9,
berret8,
briner8,
rebite8,
eerier6,
entire6,
entree6,
eterne6,
etrier6,
nerite6,
reiter6,
renter6,
rerent6,
retene6,
retine6,
retire6,
retree6,
teener6,
triene6,
5 letter words:
fifer11,
triff11,
befit10,
brief10,
fiber10,
fibre10,
feint8,
ferer8,
fient8,
fiere8,
finer8,
firer8,
freer8,
freet8,
freit8,
frere8,
frier8,
infer8,
refer8,
refit8,
rifer8,
rifte8,
terfe8,
treif8,
benet7,
beret7,
biner7,
biter7,
breer7,
brent7,
brere7,
brier7,
brine7,
rebit7,
tribe7,
eerie5,
enter5,
inert5,
inter5,
niter5,
nitre5,
rente5,
retie5,
teene5,
terne5,
treen5,
trier5,
trine5,
4 letter words:
biff12,
fief10,
fife10,
niff10,
riff10,
teff10,
tiff10,
beef9,
feeb9,
frib9,
feen7,
feer7,
feet7,
feni7,
fent7,
fere7,
fern7,
fete7,
fier7,
fine7,
fire7,
firn7,
free7,
fret7,
frit7,
neif7,
nief7,
nife7,
reef7,
reft7,
reif7,
rife7,
rift7,
terf7,
tref7,
been6,
beer6,
beet6,
bein6,
bene6,
beni6,
bent6,
bere6,
bete6,
bien6,
bier6,
bine6,
bint6,
birr6,
bite6,
bree6,
brei6,
bren6,
brer6,
brie6,
brin6,
brit6,
eine4,
erne4,
eten4,
nete4,
nite4,
reen4,
rein4,
rent4,
rete4,
rine4,
rite4,
teen4,
teer4,
tene4,
tern4,
tier4,
tine4,
tire4,
tirr4,
tree4,
trie4,
trin4,
3 letter words:
eff9,
iff9,
fib8,
eft6,
erf6,
fee6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
nef6,
ref6,
rif6,
tef6,
bee5,
ben5,
bet5,
bin5,
bit5,
brr5,
neb5,
nib5,
reb5,
rib5,
een3,
ene3,
ere3,
ern3,
err3,
ire3,
nee3,
net3,
nie3,
nit3,
ree3,
rei3,
ren3,
ret3,
rin3,
rit3,
tee3,
ten3,
tie3,
tin3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
ee2,
en2,
er2,
et2,
in2,
it2,
ne2,
re2,
te2,
ti2,