7 letter words:
further13,
6 letter words:
fuhrer12,
hurter9,
returf9,
5 letter words:
furze17,
hertz17,
furth11,
truer5,
4 letter words:
futz16,
fuze16,
zurf16,
trez13,
heft10,
fret7,
furr7,
huer7,
hurt7,
reft7,
ruth7,
tehr7,
terf7,
thru7,
tref7,
turf7,
ruer4,
true4,
3 letter words:
fez15,
rez12,
feh9,
eft6,
erf6,
eth6,
fer6,
fet6,
feu6,
fur6,
her6,
het6,
hue6,
hut6,
ref6,
reh6,
tef6,
the6,
err3,
ret3,
rue3,
rut3,
ure3,
ute3,
2 letter words:
ef5,
eh5,
fe5,
he5,
uh5,
er2,
et2,
re2,
te2,
ur2,
ut2,