4 letter words:
keek12,
kook12,
keef11,
keet8,
keto8,
koto8,
toke8,
took8,
feet7,
fete7,
foot7,
toft7,
otto4,
toot4,
tote4,
3 letter words:
kef10,
eek7,
eke7,
oke7,
eft6,
fee6,
fet6,
foe6,
oft6,
oot3,
tee3,
tet3,
toe3,
too3,
tot3,
2 letter words:
ef5,
fe5,
of5,
et2,
oe2,
to2,