8 letter words:
forefoot14,
7 letter words:
footrot10,
6 letter words:
effort12,
foetor9,
footer9,
refoot9,
tofore9,
tooter6,
5 letter words:
offer11,
reffo11,
fetor8,
forte8,
ofter8,
otter5,
rotte5,
torot5,
torte5,
toter5,
4 letter words:
teff10,
toff10,
fett7,
foot7,
fore7,
fort7,
fret7,
froe7,
orfe7,
reft7,
roof7,
terf7,
toft7,
tref7,
otto4,
root4,
rote4,
roto4,
toot4,
tore4,
toro4,
tort4,
tote4,
tret4,
trot4,
3 letter words:
eff9,
off9,
eft6,
erf6,
fer6,
fet6,
foe6,
for6,
fro6,
oft6,
oof6,
orf6,
ref6,
tef6,
oor3,
oot3,
ore3,
ort3,
reo3,
ret3,
roe3,
roo3,
rot3,
tet3,
toe3,
too3,
tor3,
tot3,
2 letter words:
ef5,
fe5,
of5,
er2,
et2,
oe2,
oo2,
or2,
re2,
te2,
to2,