4 letter words:
bach11,
chad10,
chao9,
odah8,
coda7,
3 letter words:
bah8,
hob8,
cab7,
cob7,
dah7,
had7,
hod7,
bad6,
bod6,
cad6,
cod6,
dab6,
doc6,
hao6,
abo5,
boa5,
oba5,
oca5,
ado4,
oda4,
2 letter words:
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
ad3,
do3,
od3,