9 letter words:
subfossil14,
8 letter words:
subsoils10,
7 letter words:
fossils10,
subsoil9,
6 letter words:
sobful11,
fossil9,
fusils9,
5 letter words:
flubs10,
filos8,
floss8,
foils8,
fouls8,
fusil8,
sulfo8,
bliss7,
boils7,
bolus7,
slobs7,
slubs7,
louis5,
silos5,
soils5,
solus5,
souls5,
4 letter words:
fibs9,
flub9,
fobs9,
fubs9,
filo7,
fils7,
flus7,
foil7,
foss7,
foul7,
fuss7,
bios6,
boil6,
boss6,
buss6,
libs6,
lobs6,
obis6,
sibs6,
slob6,
slub6,
sobs6,
subs6,
loss4,
oils4,
silo4,
soil4,
soli4,
sols4,
soul4,
sous4,
suss4,
3 letter words:
fib8,
fob8,
fub8,
fil6,
flu6,
fou6,
ifs6,
bio5,
bis5,
bos5,
bus5,
lib5,
lob5,
obi5,
sib5,
sob5,
sub5,
lis3,
oil3,
sis3,
sol3,
sos3,
sou3,
2 letter words:
if5,
of5,
bi4,
bo4,
is2,
li2,
lo2,
oi2,
os2,
si2,
so2,
us2,
