4 letter words:
mopy11,
posy9,
yips9,
imps8,
mips8,
mops8,
poms8,
simp8,
miso6,
piso6,
pois6,
3 letter words:
spy8,
yip8,
yom8,
imp7,
mop7,
pom7,
soy6,
ism5,
mis5,
mos5,
oms5,
ops5,
pis5,
poi5,
psi5,
sim5,
sip5,
som5,
sop5,
2 letter words:
my7,
oy5,
yo5,
mi4,
mo4,
om4,
op4,
pi4,
is2,
oi2,
os2,
si2,
so2,