8 letter words:
ossifies11,
7 letter words:
sassies7,
sissies7,
6 letter words:
fossae9,
fossas9,
fosses9,
assess6,
isseis6,
sasses6,
sisses6,
5 letter words:
fossa8,
fosse8,
safes8,
seifs8,
sofas8,
asses5,
issei5,
oases5,
oasis5,
ossia5,
sises5,
4 letter words:
fess7,
foes7,
foss7,
oafs7,
safe7,
seif7,
sofa7,
oses4,
ossa4,
sass4,
seas4,
seis4,
3 letter words:
efs6,
fas6,
fes6,
fie6,
foe6,
ifs6,
oaf6,
ais3,
ass3,
ess3,
oes3,
ose3,
sae3,
sea3,
sei3,
sis3,
sos3,
2 letter words:
ef5,
fa5,
fe5,
if5,
of5,
ae2,
ai2,
as2,
es2,
is2,
oe2,
oi2,
os2,
si2,
so2,