5 letter words:
stomp9,
4 letter words:
mops8,
poms8,
most6,
mots6,
opts6,
post6,
pots6,
spot6,
stop6,
toms6,
tops6,
3 letter words:
mop7,
pom7,
mos5,
mot5,
oms5,
ops5,
opt5,
pos5,
pot5,
pst5,
som5,
sop5,
tom5,
top5,
sot3,
2 letter words:
mo4,
om4,
op4,
po4,
os2,
so2,
st2,
to2,