7 letter words:
unifies10,
6 letter words:
fusain9,
infuse9,
unsafe9,
5 letter words:
fanes8,
fauns8,
fines8,
finis8,
naifs8,
neifs8,
snafu8,
anise5,
nisei5,
unais5,
usnea5,
4 letter words:
enuf7,
fain7,
fane7,
fans7,
faun7,
fens7,
feus7,
fine7,
fins7,
funs7,
fuse7,
naif7,
neif7,
safe7,
seif7,
ains4,
anes4,
anis4,
anus4,
inia4,
nisi4,
sain4,
sane4,
sine4,
unai4,
3 letter words:
efs6,
fan6,
fas6,
fen6,
fes6,
feu6,
fie6,
fin6,
fun6,
ifs6,
ain3,
ais3,
ane3,
ani3,
eau3,
ens3,
ins3,
nae3,
nus3,
sae3,
sau3,
sea3,
sei3,
sen3,
sin3,
sue3,
sun3,
uns3,
use3,
2 letter words:
ef5,
fa5,
fe5,
if5,
ae2,
ai2,
an2,
as2,
en2,
es2,
in2,
is2,
na2,
ne2,
nu2,
si2,
un2,
us2,