5 letter words:
wimpy15,
poyou10,
opium9,
4 letter words:
mopy11,
wimp11,
pomo8,
3 letter words:
yow9,
mow8,
pow8,
wop8,
yip8,
yom8,
yum8,
yup8,
imp7,
mop7,
pom7,
ump7,
woo6,
you6,
moo5,
piu5,
poi5,
poo5,
upo5,
2 letter words:
my7,
ow5,
oy5,
wo5,
yo5,
mi4,
mo4,
mu4,
om4,
op4,
pi4,
um4,
up4,
oi2,