5 letter words:
miaow10,
opium9,
miaou7,
4 letter words:
wimp11,
pima8,
puma8,
amia6,
3 letter words:
maw8,
mow8,
paw8,
pow8,
wap8,
wop8,
amp7,
imp7,
map7,
mop7,
pam7,
pom7,
ump7,
awa6,
aim5,
ama5,
ami5,
amu5,
apo5,
moa5,
pia5,
piu5,
poi5,
upo5,
2 letter words:
aw5,
ow5,
wo5,
am4,
ma4,
mi4,
mo4,
mu4,
om4,
op4,
pa4,
pi4,
um4,
up4,
aa2,
ai2,
oi2,