?
tub
cub
mud
bud
?
hut
pup
nut
cup
nut
nut
?
nut
cup
pup
hut
bud
bud
cup
cup
cub
cub
?
mud
cub
bud
tub
?
mud
bud
cub
tub
?
tub
bud
cub
mud
cut
cut
mud
mud
hut
hut
?
nut
cup
hut
pup
pup
pup
?
cut
pup
hut
cup
?
hut
cup
nut
pup
tub
tub