6 letter words:
fucoid12,
4 letter words:
coif9,
cuif9,
fico9,
foci9,
fuci9,
fido8,
foid8,
foud8,
douc7,
duci7,
odic7,
3 letter words:
dif7,
dof7,
fid7,
fud7,
cid6,
cod6,
cud6,
doc6,
fou6,
ufo6,
dui4,
duo4,
oud4,
udo4,
2 letter words:
if5,
of5,
di3,
do3,
id3,
od3,
io2,
oi2,
ou2,