4 letter words:
frow10,
woof10,
foot7,
fort7,
frit7,
rift7,
roof7,
trow7,
wort7,
writ7,
riot4,
root4,
roti4,
roto4,
tiro4,
tori4,
toro4,
trio4,
3 letter words:
fir6,
fit6,
for6,
fro6,
oft6,
rif6,
row6,
tow6,
two6,
wit6,
woo6,
wot6,
oot3,
ort3,
rot3,
too3,
tor3,
2 letter words:
if5,
of5,
ow5,
wo5,
it2,
oi2,
or2,
ti2,
to2,