5 letter words:
theft11,
thoft11,
4 letter words:
heft10,
teff10,
toff10,
fett7,
hote7,
teth7,
toft7,
tote4,
3 letter words:
eff9,
feh9,
foh9,
off9,
eft6,
eth6,
fet6,
foe6,
het6,
hoe6,
hot6,
oft6,
tef6,
the6,
tho6,
tet3,
toe3,
tot3,
2 letter words:
ef5,
eh5,
fe5,
he5,
ho5,
of5,
oh5,
et2,
oe2,
te2,
to2,