4 letter words:
back12,
beck12,
buck12,
bake10,
bauk10,
beak10,
buke10,
cake10,
cauk10,
cuke10,
cube8,
beau6,
3 letter words:
kab9,
keb9,
ake7,
auk7,
bac7,
cab7,
cub7,
euk7,
kae7,
kea7,
kue7,
uke7,
ace5,
cue5,
ecu5,
aue3,
eau3,
2 letter words:
ka6,
ab4,
ba4,
be4,
ae2,
ea2,