5 letter words:
festy11,
fents8,
tynes8,
4 letter words:
feys10,
efts7,
fens7,
fent7,
fest7,
fets7,
nefs7,
nyes7,
snye7,
stey7,
stye7,
syen7,
syne7,
tefs7,
tyes7,
tyne7,
yens7,
yest7,
nest4,
nets4,
sent4,
sten4,
tens4,
3 letter words:
fey9,
efs6,
eft6,
fen6,
fes6,
fet6,
nef6,
nye6,
nys6,
sey6,
sny6,
sty6,
sye6,
syn6,
tef6,
tye6,
yen6,
yes6,
yet6,
ens3,
est3,
net3,
sen3,
set3,
ten3,
tes3,
2 letter words:
fy8,
ef5,
fe5,
ny5,
ye5,
en2,
es2,
et2,
ne2,
st2,
te2,