8 letter words:
fluidify18,
5 letter words:
fluid9,
4 letter words:
iffy13,
diff11,
duff11,
fifi10,
luff10,
duly8,
idly8,
idyl8,
3 letter words:
fly9,
iff9,
dif7,
fid7,
fud7,
yid7,
fil6,
flu6,
dui4,
lid4,
lud4,
2 letter words:
fy8,
if5,
yu5,
di3,
id3,
li2,