6 letter words:
retook10,
rooter6,
torero6,
5 letter words:
trooz14,
toker9,
troke9,
retro5,
rotor5,
4 letter words:
zerk17,
ooze13,
orzo13,
zero13,
keto8,
kore8,
koto8,
rook8,
toke8,
took8,
trek8,
root4,
rote4,
roto4,
tore4,
toro4,
torr4,
3 letter words:
zek16,
zoo12,
kor7,
oke7,
err3,
oot3,
ore3,
ort3,
ret3,
roe3,
rot3,
toe3,
too3,
tor3,
2 letter words:
er2,
et2,
oe2,
or2,
re2,
to2,