7 letter words:
duffers14,
6 letter words:
duffer13,
ruffed13,
ruffes12,
suffer12,
surfed10,
5 letter words:
duffs12,
ruffe11,
ruffs11,
feuds9,
fused9,
druse6,
dures6,
4 letter words:
duff11,
effs10,
ruff10,
feds8,
feud8,
fuds8,
feus7,
furs7,
fuse7,
refs7,
serf7,
surf7,
dues5,
dure5,
reds5,
rude5,
rued5,
sued5,
surd5,
urds5,
used5,
rues4,
ruse4,
suer4,
sure4,
user4,
3 letter words:
eff9,
def7,
fed7,
fud7,
efs6,
fer6,
fes6,
feu6,
fur6,
ref6,
due4,
eds4,
red4,
urd4,
ers3,
res3,
rue3,
ser3,
sue3,
use3,
2 letter words:
ef5,
fe5,
de3,
ed3,
er2,
es2,
re2,
us2,
