4 letter words:
bawd10,
woad8,
baud7,
buda7,
budo7,
coda7,
daub7,
doab7,
douc7,
3 letter words:
waw9,
wow9,
bow8,
caw8,
cow8,
wab8,
bac7,
cab7,
cob7,
cub7,
daw7,
dow7,
wad7,
wud7,
bad6,
bod6,
bud6,
cad6,
cod6,
cud6,
dab6,
dob6,
doc6,
dub6,
abo5,
boa5,
oba5,
oca5,
ado4,
duo4,
oda4,
oud4,
udo4,
2 letter words:
aw5,
ow5,
wo5,
ab4,
ba4,
bo4,
ob4,
ad3,
da3,
do3,
od3,
ou2,