7 letter words:
witloof13,
5 letter words:
folio8,
4 letter words:
flow10,
fowl10,
wolf10,
woof10,
filo7,
flit7,
foil7,
fool7,
foot7,
lift7,
loft7,
loof7,
wilt7,
wool7,
loot4,
loti4,
olio4,
toil4,
tool4,
3 letter words:
fil6,
fit6,
low6,
oft6,
owl6,
tow6,
two6,
wit6,
woo6,
wot6,
lit3,
loo3,
lot3,
oil3,
oot3,
til3,
too3,
2 letter words:
if5,
of5,
ow5,
wo5,
it2,
li2,
lo2,
oi2,
ti2,
to2,