6 letter words:
forrit9,
5 letter words:
rotor5,
trior5,
4 letter words:
foot7,
fort7,
frit7,
rift7,
roof7,
riot4,
root4,
rort4,
roti4,
roto4,
tiro4,
tirr4,
tori4,
toro4,
torr4,
trio4,
3 letter words:
fir6,
fit6,
for6,
fro6,
oft6,
oof6,
orf6,
rif6,
oor3,
oot3,
ort3,
rit3,
roo3,
rot3,
too3,
tor3,
2 letter words:
if5,
of5,
io2,
it2,
oi2,
oo2,
or2,
ti2,
to2,