1,    a,    adults,    animals,    bred,    breed,    Canidae,    canis,    carnivores,    carries,    Collies,    contact,    dogs,    familiaris,    fetches,    fetching,    Game,    hair,    lakes,    lupus,    mammals,    medium,    medium-sized,    middle,    move,    movement,    moves,    muzzle,    outdoors,    outside,    pedigree,    pedigreed,    pets,    playing,    plays,    pur,    retrieves,    river,    short,    shorthaired,    size,    sized,    smooth,    smoothhair,    smooth-haired,    solo,    swimming,    swims,    tricolored,    tricolour,    tricoloured,