7 letter words:
affines13,
6 letter words:
affine12,
5 letter words:
fiefs11,
fifes11,
naffs11,
sniff11,
fanes8,
fanos8,
fines8,
finos8,
foins8,
infos8,
naifs8,
neifs8,
aeons5,
anise5,
eosin5,
noise5,
4 letter words:
effs10,
fief10,
fife10,
naff10,
offs10,
fain7,
fane7,
fano7,
fans7,
fens7,
fine7,
fino7,
fins7,
foes7,
foin7,
fons7,
info7,
naif7,
neif7,
oafs7,
safe7,
seif7,
sofa7,
aeon4,
ains4,
anes4,
anis4,
eons4,
ions4,
naoi4,
naos4,
noes4,
nose4,
ones4,
sain4,
sane4,
sine4,
sone4,
3 letter words:
aff9,
eff9,
iff9,
off9,
efs6,
fan6,
fas6,
fen6,
fes6,
fie6,
fin6,
foe6,
fon6,
ifs6,
oaf6,
ain3,
ais3,
ane3,
ani3,
ens3,
eon3,
ins3,
ion3,
nae3,
nos3,
oes3,
one3,
ons3,
ose3,
sae3,
sea3,
sei3,
sen3,
sin3,
son3,
2 letter words:
ef5,
fa5,
fe5,
if5,
of5,
ae2,
ai2,
an2,
as2,
en2,
es2,
in2,
is2,
na2,
ne2,
no2,
oe2,
oi2,
on2,
os2,
si2,
so2,