7 letter words:
trekker15,
6 letter words:
retook10,
retore6,
rooter6,
torero6,
5 letter words:
toker9,
troke9,
retro5,
rotor5,
4 letter words:
keek12,
kook12,
keet8,
keto8,
kore8,
koto8,
reek8,
rook8,
toke8,
took8,
trek8,
rete4,
root4,
rote4,
roto4,
tore4,
toro4,
torr4,
tree4,
3 letter words:
eek7,
eke7,
kor7,
oke7,
ere3,
err3,
oot3,
ore3,
ort3,
ree3,
ret3,
roe3,
rot3,
tee3,
toe3,
too3,
tor3,
2 letter words:
er2,
et2,
oe2,
or2,
re2,
to2,