8 letter words:
festiest11,
6 letter words:
eftest9,
feists9,
fittes9,
sestet6,
testes6,
testis6,
tsetse6,
5 letter words:
feist8,
fesse8,
fests8,
fetes8,
fetts8,
fiest8,
fists8,
fitte8,
fitts8,
seifs8,
sifts8,
tifts8,
seise5,
setts5,
sites5,
stets5,
sties5,
teste5,
tests5,
tetes5,
4 letter words:
efts7,
fees7,
feet7,
feis7,
fess7,
fest7,
fete7,
fets7,
fett7,
fist7,
fits7,
fitt7,
seif7,
sift7,
tefs7,
tift7,
eses4,
esse4,
ests4,
sees4,
seis4,
sese4,
sets4,
sett4,
sies4,
sist4,
site4,
sits4,
stet4,
stie4,
tees4,
test4,
tete4,
tets4,
ties4,
tite4,
tits4,
3 letter words:
efs6,
eft6,
fee6,
fes6,
fet6,
fie6,
fit6,
ifs6,
sif6,
tef6,
ess3,
est3,
its3,
see3,
sei3,
set3,
sis3,
sit3,
tee3,
tes3,
tet3,
tie3,
tis3,
tit3,
2 letter words:
ef5,
fe5,
if5,
ee2,
es2,
et2,
is2,
it2,
si2,
st2,
te2,
ti2,