1,    a,    adults,    animals,    balls,    bicolor,    bicolour,    black-white,    bred,    breed,    Canidae,    canis,    carnivores,    carries,    Collies,    dogs,    familiaris,    fetches,    fetching,    format,    Game,    hair,    lakes,    laterally,    long,    longhair,    lupus,    mammals,    medium,    medium-sized,    middle,    move,    movement,    moves,    muzzle,    outdoors,    outside,    pedigree,    pedigreed,    pets,    playing,    plays,    pur,    retrieves,    river,    size,    sized,    smooth,    smoothhair,    smooth-haired,    solo,    sunny,    sunshine,    swimming,    swims,    toys,    two-colored,    two-coloured,