9 letter words:
whirlpool17,
6 letter words:
hollow12,
pillow11,
5 letter words:
whoop13,
whirl11,
whorl11,
prowl10,
hillo8,
hollo8,
orlop7,
polio7,
poori7,
prill7,
4 letter words:
whip12,
whop12,
howl10,
whir10,
holp9,
hoop9,
plow9,
pooh9,
prow9,
hill7,
will7,
wool7,
loop6,
pill6,
poll6,
polo6,
pool6,
poor6,
lilo4,
olio4,
rill4,
roil4,
roll4,
3 letter words:
how9,
who9,
hip8,
hop8,
phi8,
poh8,
pow8,
wop8,
low6,
oho6,
ooh6,
owl6,
rho6,
row6,
woo6,
lip5,
lop5,
poi5,
pol5,
poo5,
pro5,
rip5,
ill3,
loo3,
oil3,
2 letter words:
hi5,
ho5,
oh5,
ow5,
wo5,
op4,
pi4,
li2,
lo2,
oi2,
or2,