5 letter words:
luffs11,
sluff11,
flues8,
fuels8,
fusel8,
4 letter words:
effs10,
luff10,
elfs7,
feus7,
flue7,
flus7,
fuel7,
fuse7,
self7,
lues4,
slue4,
ules4,
3 letter words:
eff9,
efs6,
elf6,
fes6,
feu6,
flu6,
els3,
les3,
leu3,
sel3,
sue3,
ule3,
use3,
2 letter words:
ef5,
fe5,
el2,
es2,
us2,