5 letter words:
thelf11,
flute8,
bluet7,
butle7,
4 letter words:
heft10,
beth9,
bhel9,
bhut9,
buhl9,
flub9,
felt7,
flue7,
fuel7,
hule7,
left7,
belt6,
blet6,
blue6,
bute6,
lube6,
tube6,
lute4,
tule4,
3 letter words:
feh9,
fub8,
hub8,
eft6,
elf6,
eth6,
fet6,
feu6,
flu6,
het6,
hue6,
hut6,
tef6,
the6,
bel5,
bet5,
but5,
tub5,
elt3,
let3,
leu3,
tel3,
ule3,
ute3,
2 letter words:
ef5,
eh5,
fe5,
he5,
uh5,
be4,
el2,
et2,
te2,
ut2,