9 letter words:
lightbulb17,
7 letter words:
billbug12,
6 letter words:
blight12,
bulbil10,
5 letter words:
bight11,
light9,
illth8,
thill8,
built7,
guilt6,
4 letter words:
bhut9,
buhl9,
blub8,
bulb8,
thig8,
thug8,
glib7,
hill7,
hilt7,
hull7,
lith7,
bill6,
bull6,
gill5,
gilt5,
glit5,
glut5,
gull5,
iglu5,
lilt4,
litu4,
luit4,
till4,
3 letter words:
hub8,
bib7,
bub7,
ghi7,
hug7,
ugh7,
big6,
bug6,
gib6,
gub6,
hit6,
hui6,
hut6,
bit5,
but5,
lib5,
tub5,
git4,
gul4,
gut4,
lig4,
lug4,
tig4,
tug4,
ill3,
lit3,
til3,
tui3,
2 letter words:
hi5,
uh5,
bi4,
gi3,
gu3,
ug3,
it2,
li2,
ti2,
ut2,
