6 letter words:
hefter12,
ferule9,
fluter9,
fueler9,
hurtle9,
lefter9,
refelt9,
reflet9,
refuel9,
refute9,
telfer9,
5 letter words:
ether8,
fleer8,
fleet8,
flute8,
lethe8,
refel8,
there8,
three8,
thurl8,
elute5,
relet5,
4 letter words:
heft10,
feel7,
feet7,
felt7,
fere7,
fete7,
flee7,
flue7,
free7,
fret7,
fuel7,
furl7,
heel7,
here7,
herl7,
hurl7,
hurt7,
left7,
lehr7,
reef7,
reft7,
ruth7,
thee7,
thru7,
tref7,
turf7,
leer4,
leet4,
lure4,
lute4,
reel4,
rete4,
rule4,
teel4,
tele4,
tree4,
true4,
tule4,
3 letter words:
feh9,
eft6,
elf6,
eth6,
fee6,
fer6,
fet6,
feu6,
flu6,
fur6,
her6,
het6,
hue6,
hut6,
ref6,
the6,
eel3,
ere3,
lee3,
let3,
leu3,
ree3,
ret3,
rue3,
rut3,
tee3,
tel3,
ute3,
2 letter words:
ef5,
eh5,
fe5,
he5,
uh5,
el2,
er2,
et2,
re2,
ut2,