8 letter words:
unuseful11,
6 letter words:
unself9,
useful9,
5 letter words:
flues8,
fuels8,
fusel8,
lunes5,
4 letter words:
elfs7,
enuf7,
fens7,
feus7,
flue7,
flus7,
fuel7,
funs7,
fuse7,
nefs7,
self7,
lens4,
lues4,
lune4,
slue4,
sulu4,
ules4,
ulus4,
3 letter words:
efs6,
elf6,
fen6,
fes6,
feu6,
flu6,
fun6,
nef6,
els3,
ens3,
les3,
leu3,
nus3,
sel3,
sen3,
sue3,
sun3,
ule3,
ulu3,
uns3,
use3,
2 letter words:
ef5,
fe5,
el2,
en2,
es2,
ne2,
nu2,
un2,
us2,
