7 letter words:
further13,
6 letter words:
fuhrer12,
wuther12,
hurter9,
5 letter words:
threw11,
truer5,
4 letter words:
kerf11,
khet11,
heft10,
thew10,
weft10,
whet10,
trek8,
turk8,
fret7,
hurt7,
reft7,
ruth7,
thru7,
tref7,
turf7,
wert7,
ruer4,
true4,
3 letter words:
kef10,
feh9,
few9,
hew9,
kue7,
uke7,
eft6,
eth6,
fer6,
fet6,
feu6,
fur6,
her6,
het6,
hue6,
hut6,
ref6,
tew6,
the6,
wet6,
err3,
ret3,
rue3,
rut3,
ute3,
2 letter words:
ef5,
eh5,
fe5,
he5,
uh5,
we5,
er2,
et2,
re2,
ut2,