6 letter words:
hefter12,
befret11,
bereft11,
berthe11,
feutre9,
refute9,
5 letter words:
furth11,
hefte11,
berth10,
thebe10,
ether8,
freet8,
terfe8,
there8,
three8,
beret7,
brute7,
buret7,
rebut7,
tuber7,
4 letter words:
heft10,
beef9,
beth9,
bhut9,
buhr9,
feeb9,
hebe9,
herb9,
ethe7,
feer7,
feet7,
fere7,
fete7,
free7,
fret7,
here7,
hete7,
huer7,
hurt7,
reef7,
reft7,
ruth7,
tehr7,
terf7,
thee7,
thru7,
tref7,
turf7,
beer6,
beet6,
bere6,
bete6,
bree6,
brut6,
bute6,
rube6,
tube6,
rete4,
teer4,
tree4,
true4,
3 letter words:
feh9,
fub8,
hub8,
eft6,
erf6,
eth6,
fee6,
fer6,
fet6,
feu6,
fur6,
her6,
het6,
hue6,
hut6,
ref6,
reh6,
tef6,
the6,
bee5,
bet5,
bru5,
bur5,
but5,
reb5,
rub5,
tub5,
urb5,
ere3,
ree3,
ret3,
rue3,
rut3,
tee3,
ure3,
ute3,
2 letter words:
ef5,
eh5,
fe5,
he5,
uh5,
be4,
ee2,
er2,
et2,
re2,
te2,
ur2,
ut2,