6 letter words:
buglet9,
5 letter words:
leugh9,
teugh9,
bugle8,
bulge8,
bluet7,
butle7,
glute6,
4 letter words:
beth9,
bhel9,
bhut9,
buhl9,
eugh8,
huge8,
thug8,
hule7,
belt6,
blet6,
blue6,
bute6,
lube6,
tube6,
gelt5,
glue5,
glut5,
gule5,
luge5,
tegu5,
lute4,
tule4,
3 letter words:
hub8,
hug7,
ugh7,
beg6,
bug6,
eth6,
gub6,
het6,
hue6,
hut6,
the6,
bel5,
bet5,
but5,
tub5,
gel4,
get4,
gue4,
gul4,
gut4,
leg4,
lug4,
teg4,
tug4,
elt3,
let3,
leu3,
tel3,
ule3,
ute3,
2 letter words:
eh5,
he5,
uh5,
be4,
gu3,
ug3,
el2,
et2,
te2,
ut2,