6 letter words:
fuhrer12,
furane9,
5 letter words:
farer8,
feuar8,
frena8,
furan8,
reran5,
rerun5,
urare5,
4 letter words:
enuf7,
fane7,
fare7,
faun7,
fear7,
fern7,
frae7,
haen7,
hare7,
hear7,
hern7,
rhea7,
earn4,
near4,
rare4,
rear4,
ruer4,
rune4,
unau4,
urea4,
3 letter words:
feh9,
arf6,
fan6,
far6,
fen6,
fer6,
feu6,
fun6,
fur6,
hae6,
hen6,
her6,
hue6,
hun6,
nah6,
rah6,
ref6,
ane3,
are3,
ear3,
eau3,
era3,
ern3,
err3,
nae3,
ran3,
rue3,
run3,
urn3,
2 letter words:
ah5,
ef5,
eh5,
fa5,
fe5,
ha5,
he5,
uh5,
ae2,
an2,
ar2,
en2,
er2,
na2,
ne2,
nu2,
re2,
un2,