6 letter words:
feisty12,
5 letter words:
festy11,
fisty11,
feist8,
fiest8,
seity8,
yetis8,
yites8,
4 letter words:
feys10,
efts7,
feis7,
fest7,
fets7,
fist7,
fits7,
seif7,
sift7,
stey7,
stye7,
tefs7,
tyes7,
yest7,
yeti7,
yite7,
site4,
stie4,
ties4,
3 letter words:
fey9,
efs6,
eft6,
fes6,
fet6,
fie6,
fit6,
ifs6,
sey6,
sif6,
sty6,
sye6,
tef6,
tye6,
yes6,
yet6,
est3,
its3,
sei3,
set3,
sit3,
tes3,
tie3,
tis3,
2 letter words:
fy8,
ef5,
fe5,
if5,
ye5,
es2,
et2,
is2,
it2,
si2,
st2,
te2,
ti2,
