agility
animal
attack
background
beautiful
bite
black
bomb
brown
canine
canines
clothing
cop
course
crime
day
defense
demonstration
detection
dog
drugs
equipment
face
german
hand
k9
lawn
male
mammal
man
narcotics
nature
one
outdoors
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police
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purebred
robber
search
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shepherd
skills
terrain
trained
uniform
work
young