7 letter words:
buffers15,
rebuffs15,
6 letter words:
buffer14,
rebuff14,
ruffes12,
suffer12,
5 letter words:
buffs13,
ruffe11,
ruffs11,
burse7,
rebus7,
rubes7,
suber7,
4 letter words:
buff12,
effs10,
ruff10,
fubs9,
feus7,
furs7,
fuse7,
refs7,
serf7,
surf7,
burs6,
rebs6,
rube6,
rubs6,
urbs6,
rues4,
ruse4,
suer4,
sure4,
user4,
3 letter words:
eff9,
fub8,
efs6,
fer6,
fes6,
feu6,
fur6,
ref6,
bes5,
bur5,
bus5,
reb5,
rub5,
sub5,
urb5,
ers3,
res3,
rue3,
ser3,
sue3,
use3,
2 letter words:
ef5,
fe5,
be4,
er2,
es2,
re2,
us2,