8 letter words:
whipworm21,
5 letter words:
whomp15,
morph12,
primo9,
4 letter words:
whim12,
whip12,
whom12,
whop12,
wimp11,
whir10,
prow9,
worm9,
prim8,
prom8,
romp8,
3 letter words:
how9,
who9,
wow9,
him8,
hip8,
hop8,
mho8,
mow8,
ohm8,
phi8,
poh8,
pow8,
wop8,
imp7,
mop7,
pom7,
rho6,
row6,
mir5,
mor5,
poi5,
pro5,
rim5,
rip5,
rom5,
2 letter words:
hm7,
hi5,
ho5,
oh5,
ow5,
wo5,
mi4,
mo4,
om4,
op4,
pi4,
oi2,
or2,