1,    a,    adults,    animals,    balls,    bicolor,    bicolour,    black-white,    bred,    breed,    Canidae,    canis,    carnivores,    carries,    chews,    chomping,    Collies,    contact,    dogs,    familiaris,    fetches,    fetching,    format,    Game,    gnaw,    gnaws,    grassland,    greenfield,    hair,    laterally,    lays,    lie,    lies,    long,    longhair,    lupus,    mammals,    meadows,    medium,    medium-sized,    middle,    muzzle,    nibbles,    nibbling,    outdoors,    outside,    pasture,    pedigree,    pedigreed,    pets,    playing,    plays,    pur,    resting,    rests,    retrieves,    size,    sized,    smooth,    smoothhair,    smooth-haired,    solo,    summerly,    summertime,    summery,    toys,    two-colored,    two-coloured,