6 letter words:
toroid7,
5 letter words:
droit6,
ootid6,
4 letter words:
dirt5,
doit5,
door5,
odor5,
ordo5,
rood5,
trod5,
riot4,
root4,
roti4,
roto4,
tiro4,
tori4,
toro4,
trio4,
3 letter words:
dit4,
dor4,
dot4,
rid4,
rod4,
tod4,
oot3,
ort3,
rot3,
too3,
tor3,
2 letter words:
do3,
id3,
od3,
it2,
oi2,
or2,
ti2,
to2,