5 letter words:
oobit7,
orbit7,
robot7,
4 letter words:
roji11,
biro6,
bito6,
boor6,
boot6,
bort6,
brio6,
brit6,
broo6,
obit6,
riot4,
root4,
roti4,
roto4,
tiro4,
tori4,
toro4,
trio4,
3 letter words:
jib12,
job12,
jor10,
jot10,
bio5,
bit5,
boi5,
boo5,
bor5,
bot5,
bro5,
obi5,
obo5,
orb5,
rib5,
rob5,
oor3,
oot3,
ort3,
rit3,
roo3,
rot3,
too3,
tor3,
2 letter words:
jo9,
bi4,
bo4,
ob4,
io2,
it2,
oi2,
oo2,
or2,
ti2,
to2,