7 letter words:
softies10,
6 letter words:
feists9,
foists9,
softie9,
5 letter words:
feist8,
fests8,
fists8,
foist8,
fosse8,
seifs8,
sifts8,
softs8,
sites5,
sties5,
4 letter words:
efts7,
fess7,
fest7,
fets7,
fist7,
fits7,
foes7,
foss7,
seif7,
sift7,
soft7,
oses4,
seis4,
sets4,
site4,
sits4,
sots4,
ties4,
toes4,
toss4,
3 letter words:
efs6,
eft6,
fes6,
fet6,
fie6,
fit6,
foe6,
ifs6,
oft6,
ess3,
its3,
oes3,
ose3,
sei3,
set3,
sis3,
sit3,
sos3,
sot3,
tie3,
tis3,
toe3,
2 letter words:
ef5,
fe5,
if5,
of5,
es2,
et2,
is2,
it2,
oe2,
oi2,
os2,
si2,
so2,
ti2,
to2,