5 letter words:
nifty11,
feint8,
fient8,
4 letter words:
feni7,
fent7,
fine7,
neif7,
nief7,
nife7,
tiny7,
tyin7,
tyne7,
yeti7,
yite7,
nite4,
tine4,
3 letter words:
fey9,
eft6,
fen6,
fet6,
fie6,
fin6,
fit6,
nef6,
nye6,
tef6,
tye6,
yen6,
yet6,
yin6,
net3,
nie3,
nit3,
ten3,
tie3,
tin3,
2 letter words:
fy8,
ef5,
fe5,
if5,
ny5,
ye5,
en2,
et2,
in2,
it2,
ne2,
te2,
ti2,