4 letter words:
flow10,
fowl10,
wolf10,
filo7,
flit7,
foil7,
lift7,
loft7,
wilt7,
loti4,
toil4,
3 letter words:
fil6,
fit6,
low6,
oft6,
owl6,
tow6,
two6,
wit6,
wot6,
lit3,
lot3,
oil3,
til3,
2 letter words:
if5,
of5,
ow5,
wo5,
it2,
li2,
lo2,
oi2,
ti2,
to2,