4 letter words:
chow12,
chub11,
brow9,
buhr9,
crow9,
ouch9,
curb8,
hour7,
3 letter words:
coz14,
how9,
who9,
bow8,
cow8,
hob8,
hub8,
cob7,
cub7,
rho6,
row6,
bro5,
bur5,
cor5,
cru5,
cur5,
orb5,
orc5,
rob5,
roc5,
rub5,
urb5,
our3,
2 letter words:
ho5,
oh5,
ow5,
uh5,
wo5,
bo4,
or2,