5 letter words:
bhoot10,
booth10,
broth10,
throb10,
ortho8,
thoro8,
robot7,
rotor5,
4 letter words:
boho9,
both9,
hobo9,
hoot7,
thro7,
boor6,
boot6,
bort6,
broo6,
root4,
roto4,
toro4,
torr4,
3 letter words:
hob8,
hot6,
oho6,
ooh6,
rho6,
tho6,
boo5,
bot5,
bro5,
brr5,
orb5,
rob5,
oot3,
ort3,
rot3,
too3,
tor3,
2 letter words:
ho5,
oh5,
bo4,
or2,
to2,