9 letter words:
fabaceous16,
6 letter words:
fauces11,
fucose11,
abacus10,
5 letter words:
cafes10,
faces10,
focus10,
cubes9,
scuba9,
abase7,
abuse7,
beaus7,
bouse7,
cause7,
sauce7,
4 letter words:
cafe9,
fabs9,
face9,
fobs9,
fubs9,
cabs8,
cobs8,
cube8,
cubs8,
scab8,
feus7,
foes7,
fuse7,
oafs7,
safe7,
sofa7,
abas6,
abos6,
aces6,
baas6,
base6,
beau6,
boas6,
casa6,
case6,
cues6,
ecus6,
obas6,
obes6,
ocas6,
sabe6,
soba6,
soca6,
suba6,
asea4,
3 letter words:
fab8,
fob8,
fub8,
cab7,
cob7,
cub7,
efs6,
fas6,
fes6,
feu6,
foe6,
fou6,
oaf6,
aba5,
abo5,
abs5,
ace5,
baa5,
bas5,
bes5,
boa5,
bos5,
bus5,
cos5,
cue5,
ecu5,
oba5,
obe5,
oca5,
sab5,
sac5,
sec5,
sob5,
sub5,
aas3,
eau3,
oes3,
ose3,
sae3,
sau3,
sea3,
sou3,
sue3,
use3,
2 letter words:
ef5,
fa5,
fe5,
of5,
ab4,
ba4,
be4,
bo4,
aa2,
ae2,
as2,
es2,
oe2,
os2,
so2,
us2,