active
alone
animal
ask
attentive
begging
behavior
blackandwhite
bond
border
breed
cheerful
collar
collie
companion
concentration
cute
dog
domestic
emotion
faithful
free
freedom
friend
friendly
friendship
holding
hope
journey
lead
learn
leash
loyal
mammal
mouth
muzzle
obedience
outdoors
outside
patience
pedigree
pet
portrait
purebred
sheepdog
smart
snout
sweet
tether
walk