4 letter words:
howl10,
blow9,
boho9,
booh9,
bowl9,
hobo9,
wool7,
bolo6,
bool6,
lobo6,
obol6,
3 letter words:
how9,
who9,
boh8,
bow8,
hob8,
hoo6,
low6,
oho6,
ooh6,
owl6,
woo6,
boo5,
lob5,
obo5,
loo3,
2 letter words:
ho5,
oh5,
ow5,
wo5,
bo4,
ob4,
lo2,
oo2,