4 letter words:
fain7,
fane7,
fine7,
haen7,
naif7,
neif7,
3 letter words:
feh9,
ahi6,
fan6,
fen6,
fie6,
fin6,
hae6,
hen6,
hie6,
hin6,
nah6,
ain3,
ane3,
ani3,
nae3,
2 letter words:
ah5,
ef5,
eh5,
fa5,
fe5,
ha5,
he5,
hi5,
if5,
ae2,
ai2,
an2,
en2,
in2,
na2,
ne2,