5 letter words:
arson5,
roans5,
sonar5,
4 letter words:
naos4,
oars4,
osar4,
roan4,
snar4,
soar4,
sora4,
sorn4,
3 letter words:
ars3,
nas3,
nor3,
nos3,
oar3,
ons3,
ora3,
ors3,
ran3,
ras3,
san3,
sar3,
son3,
2 letter words:
an2,
ar2,
as2,
na2,
no2,
on2,
or2,
os2,
so2,