4 letter words:
chow12,
dhow11,
boho9,
booh9,
coho9,
hobo9,
hood8,
wood8,
doco7,
doob7,
3 letter words:
how9,
who9,
boh8,
bow8,
cow8,
hob8,
hoc8,
och8,
cob7,
doh7,
dow7,
hod7,
bod6,
cod6,
dob6,
doc6,
hoo6,
oho6,
ooh6,
woo6,
boo5,
coo5,
obo5,
doo4,
2 letter words:
ch7,
ho5,
oh5,
ow5,
wo5,
bo4,
ob4,
do3,
od3,
oo2,