4 letter words:
chow12,
wich12,
chib11,
chub11,
whio10,
boho9,
booh9,
chou9,
coho9,
hobo9,
huic9,
ouch9,
3 letter words:
how9,
who9,
boh8,
bow8,
chi8,
cow8,
hic8,
hob8,
hoc8,
hub8,
ich8,
och8,
cob7,
cub7,
hoi6,
hoo6,
hui6,
oho6,
ooh6,
woo6,
bio5,
boi5,
boo5,
coo5,
obi5,
obo5,
2 letter words:
ch7,
hi5,
ho5,
oh5,
ow5,
uh5,
wo5,
bi4,
bo4,
ob4,
io2,
oi2,
oo2,
ou2,