6 letter words:
fiords10,
5 letter words:
fidos9,
fiord9,
fords9,
4 letter words:
difs8,
fido8,
fids8,
ford8,
firs7,
rifs7,
dors5,
rids5,
rods5,
sord5,
sori4,
3 letter words:
dif7,
fid7,
fir6,
for6,
fro6,
ifs6,
rif6,
dis4,
dor4,
dos4,
ids4,
ods4,
rid4,
rod4,
sod4,
ors3,
sir3,
sri3,
2 letter words:
if5,
of5,
do3,
id3,
od3,
is2,
oi2,
or2,
os2,
si2,
so2,