7 letter words:
knubble15,
6 letter words:
nebbuk14,
nubble10,
unbelt8,
5 letter words:
blunk11,
knelt9,
unket9,
blent7,
bluet7,
blunt7,
butle7,
lunet5,
unlet5,
4 letter words:
buke10,
bulk10,
bunk10,
knub10,
bleb8,
blub8,
bulb8,
kelt8,
kent8,
knut8,
kune8,
leku8,
luke8,
lunk8,
neuk8,
nuke8,
belt6,
bent6,
blet6,
blue6,
bunt6,
bute6,
lube6,
tube6,
unbe6,
lent4,
lune4,
lunt4,
lute4,
tule4,
tune4,
3 letter words:
keb9,
bub7,
ebb7,
elk7,
euk7,
ken7,
ket7,
kue7,
lek7,
nek7,
uke7,
bel5,
ben5,
bet5,
bun5,
but5,
neb5,
nub5,
tub5,
elt3,
let3,
leu3,
net3,
nut3,
tel3,
ten3,
tun3,
ule3,
ute3,
2 letter words:
be4,
el2,
en2,
et2,
ne2,
nu2,
te2,
un2,
ut2,