4 letter words:
imps8,
mips8,
momi8,
moms8,
mops8,
poms8,
simp8,
spim8,
miso6,
piso6,
pois6,
3 letter words:
imp7,
mim7,
mom7,
mop7,
pom7,
ism5,
mis5,
moi5,
mos5,
oms5,
ops5,
pis5,
poi5,
pos5,
psi5,
sim5,
sip5,
som5,
sop5,
ios3,
iso3,
2 letter words:
mm6,
mi4,
mo4,
om4,
op4,
pi4,
po4,
io2,
is2,
oi2,
os2,
si2,
so2,