dot
dot
?
hot
pot
mop
dot
hot
hot
?
dog
mop
pot
fox
?
mop
hot
hop
log
box
box
?
fox
box
hot
dog
mop
mop
pot
pot
fox
fox
hop
hop
?
dog
box
hop
fox
?
fox
pot
dog
hot
?
pot
log
dog
hot