6 letter words:
furane9,
nature6,
5 letter words:
after8,
feuar8,
frena8,
furan8,
antre5,
tuner5,
urate5,
4 letter words:
enuf7,
fane7,
fare7,
fart7,
fate7,
faun7,
fear7,
feat7,
fern7,
feta7,
frae7,
frat7,
fret7,
raft7,
reft7,
tref7,
tufa7,
turf7,
ante4,
aunt4,
earn4,
etna4,
near4,
neat4,
rant4,
rate4,
rent4,
rune4,
runt4,
tare4,
tarn4,
tear4,
tern4,
true4,
tuna4,
tune4,
turn4,
urea4,
3 letter words:
aft6,
arf6,
eft6,
fan6,
far6,
fat6,
fen6,
fer6,
fet6,
feu6,
fun6,
fur6,
ref6,
ane3,
ant3,
are3,
art3,
ate3,
ear3,
eat3,
eau3,
era3,
ern3,
eta3,
nae3,
net3,
nut3,
ran3,
rat3,
ret3,
rue3,
run3,
rut3,
tae3,
tan3,
tar3,
tau3,
tea3,
ten3,
tun3,
urn3,
uta3,
ute3,
2 letter words:
ef5,
fa5,
fe5,
ae2,
an2,
ar2,
at2,
en2,
er2,
et2,
na2,
ne2,
nu2,
re2,
ta2,
un2,
ut2,