6 letter words:
fucose11,
5 letter words:
coffs13,
cuffs13,
scoff13,
scuff13,
focus10,
4 letter words:
coff12,
cuff12,
effs10,
offs10,
feus7,
foes7,
fuse7,
cues6,
ecus6,
3 letter words:
eff9,
off9,
efs6,
fes6,
feu6,
foe6,
fou6,
cos5,
cue5,
ecu5,
sec5,
oes3,
ose3,
sou3,
sue3,
use3,
2 letter words:
ef5,
fe5,
of5,
es2,
oe2,
os2,
so2,
us2,