7 letter words:
taffeta13,
5 letter words:
fatwa11,
fetwa11,
fetta8,
4 letter words:
waff13,
teff10,
waft10,
weft10,
fate7,
feat7,
feta7,
fett7,
tawa7,
tawt7,
twae7,
twat7,
wate7,
watt7,
weta7,
etat4,
tate4,
teat4,
3 letter words:
aff9,
eff9,
faw9,
few9,
aft6,
awa6,
awe6,
eft6,
ewt6,
faa6,
fae6,
fat6,
fet6,
taw6,
tef6,
tew6,
twa6,
wae6,
wat6,
wet6,
ate3,
att3,
eat3,
eta3,
tae3,
tat3,
tea3,
tet3,
2 letter words:
aw5,
ef5,
fa5,
fe5,
we5,
aa2,
ae2,
at2,
ea2,
et2,
ta2,
te2,