1,    a,    adults,    animals,    barriers,    bicolor,    bicolour,    bred,    breed,    brown-white,    Canidae,    canis,    carnivores,    contact,    dogs,    familiaris,    format,    grassland,    greenfield,    hair,    Highlight,    hurdles,    jumping,    jumps,    laterally,    leaps,    long,    longhair,    lupus,    mammals,    meadows,    move,    movement,    moves,    obstacles,    outdoors,    outside,    pasture,    pedigree,    pedigreed,    pets,    pur,    sheepdogs,    Shelties,    smooth,    smoothhair,    smooth-haired,    solo,    sports,    summerly,    summertime,    summery,    two-colored,    two-coloured,    wattles,