7 letter words:
bossies9,
6 letter words:
fosses9,
bosses8,
obsess8,
sisses6,
sosses6,
5 letter words:
fosse8,
seifs8,
bises7,
sises5,
4 letter words:
fibs9,
fobs9,
feis7,
fess7,
foes7,
foss7,
seif7,
bios6,
bise6,
bois6,
boss6,
obes6,
obis6,
sibs6,
sobs6,
isos4,
oses4,
seis4,
sess4,
sies4,
siss4,
soss4,
3 letter words:
fib8,
fob8,
efs6,
fes6,
fie6,
foe6,
ifs6,
sif6,
bes5,
bio5,
bis5,
boi5,
bos5,
obe5,
obi5,
obs5,
sib5,
sob5,
ess3,
ios3,
iso3,
oes3,
ose3,
sei3,
sis3,
sos3,
2 letter words:
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
ob4,
es2,
io2,
is2,
oe2,
oi2,
os2,
si2,
so2,