5 letter words:
ronts5,
snort5,
trons5,
4 letter words:
onst4,
orts4,
ront4,
rost4,
rots4,
snot4,
sorn4,
sort4,
tons4,
torn4,
tors4,
tron4,
3 letter words:
nor3,
nos3,
not3,
ons3,
ors3,
ort3,
rot3,
son3,
sot3,
ton3,
tor3,
2 letter words:
no2,
on2,
or2,
os2,
so2,
st2,
to2,