6 letter words:
useful9,
5 letter words:
alefs8,
false8,
fleas8,
flues8,
fuels8,
fusel8,
leafs8,
sulfa8,
luaus5,
usual5,
4 letter words:
alef7,
feal7,
feus7,
flea7,
flue7,
flus7,
fuel7,
fuse7,
leaf7,
safe7,
self7,
ales4,
lase4,
leas4,
luau4,
lues4,
sale4,
saul4,
seal4,
slue4,
sulu4,
ulus4,
3 letter words:
jeu10,
jus10,
efs6,
elf6,
fas6,
fes6,
feu6,
flu6,
ale3,
als3,
eau3,
els3,
las3,
lea3,
les3,
leu3,
sae3,
sal3,
sau3,
sea3,
sel3,
sue3,
ulu3,
use3,
2 letter words:
ef5,
fa5,
fe5,
ae2,
al2,
as2,
el2,
es2,
la2,
us2,