4 letter words:
dumb9,
gamb9,
baud7,
daub7,
duma7,
gaum7,
maud7,
gaud6,
3 letter words:
bam7,
bum7,
bad6,
bag6,
bud6,
bug6,
dab6,
dam6,
dub6,
gab6,
gam6,
gum6,
mad6,
mag6,
mud6,
mug6,
amu5,
dag5,
dug5,
gad5,
2 letter words:
ab4,
am4,
ba4,
ma4,
mu4,
um4,
ad3,
ag3,