4 letter words:
pfft12,
teff10,
fate7,
feat7,
feta7,
pate6,
peat6,
tape6,
tepa6,
3 letter words:
aff9,
eff9,
fap8,
aft6,
eft6,
fae6,
fat6,
fet6,
tef6,
ape5,
apt5,
pat5,
pea5,
pet5,
tap5,
ate3,
eat3,
eta3,
tae3,
tea3,
2 letter words:
ef5,
fa5,
fe5,
pa4,
pe4,
ae2,
at2,
ea2,
et2,
ta2,
te2,