9 letter words:
diffusors16,
8 letter words:
diffusor15,
6 letter words:
fiords10,
sudors7,
ursids7,
5 letter words:
diffs12,
doffs12,
duffs12,
riffs11,
ruffs11,
fidos9,
fiord9,
fords9,
fours8,
surfs8,
dross6,
duros6,
sords6,
sudor6,
surds6,
ursid6,
risus5,
sorus5,
sours5,
4 letter words:
diff11,
doff11,
duff11,
offs10,
riff10,
ruff10,
difs8,
fido8,
fids8,
ford8,
fuds8,
firs7,
foss7,
four7,
furs7,
fuss7,
rifs7,
surf7,
diss5,
dors5,
doss5,
dour5,
duos5,
duro5,
ouds5,
rids5,
rods5,
sods5,
sord5,
suds5,
surd5,
udos5,
urds5,
ours4,
sirs4,
sori4,
sour4,
sous4,
sris4,
3 letter words:
iff9,
off9,
dif7,
fid7,
fud7,
fir6,
for6,
fou6,
fro6,
fur6,
ifs6,
rif6,
dis4,
dor4,
dos4,
dui4,
duo4,
ids4,
ods4,
oud4,
rid4,
rod4,
sod4,
udo4,
urd4,
ors3,
our3,
sir3,
sis3,
sos3,
sou3,
sri3,
2 letter words:
if5,
of5,
do3,
id3,
od3,
is2,
oi2,
or2,
os2,
si2,
so2,
us2,