6 letter words:
tubule8,
5 letter words:
celeb9,
betel7,
bluet7,
butle7,
culet7,
elect7,
elute5,
4 letter words:
club8,
cube8,
beet6,
belt6,
bete6,
blee6,
blet6,
blue6,
bute6,
celt6,
cete6,
clue6,
cult6,
cute6,
lube6,
luce6,
tube6,
leet4,
lute4,
teel4,
tele4,
tule4,
3 letter words:
cub7,
bee5,
bel5,
bet5,
but5,
cee5,
cel5,
cue5,
cut5,
ecu5,
tec5,
tub5,
eel3,
elt3,
lee3,
let3,
leu3,
tee3,
tel3,
ule3,
ulu3,
ute3,
utu3,
2 letter words:
be4,
ee2,
el2,
et2,
te2,
ut2,