4 letter words:
jibs13,
jobs13,
sijo11,
bops8,
bios6,
bois6,
boos6,
obis6,
obos6,
oops6,
piso6,
pois6,
poos6,
soop6,
3 letter words:
jib12,
job12,
bop7,
bio5,
bis5,
boi5,
boo5,
bos5,
obi5,
obo5,
obs5,
oop5,
ops5,
pis5,
poi5,
poo5,
pos5,
psi5,
sib5,
sip5,
sob5,
sop5,
ios3,
iso3,
oos3,
2 letter words:
jo9,
bi4,
bo4,
ob4,
op4,
pi4,
po4,
io2,
is2,
oi2,
oo2,
os2,
si2,
so2,