5 letter words:
ortho8,
thoro8,
4 letter words:
hook11,
khor11,
koro8,
koto8,
rook8,
toko8,
took8,
hoot7,
thro7,
toho7,
root4,
roto4,
toro4,
3 letter words:
kor7,
rok7,
hoo6,
hot6,
oho6,
ooh6,
rho6,
tho6,
oor3,
oot3,
ort3,
roo3,
rot3,
too3,
tor3,
2 letter words:
ko6,
ho5,
oh5,
oo2,
or2,
to2,