2,    animals,    Babies,    Babys,    bred,    breed,    Canidae,    canis,    carnivores,    closed,    closes,    dark,    dogs,    eyes,    familiaris,    format,    gazehounds,    Greyhounds,    hair,    Hounds,    indoors,    laterally,    lays,    lie,    lies,    lupus,    mammals,    medium,    medium-sized,    middle,    newborns,    pedigree,    pedigreed,    pets,    puppies,    pups,    pur,    short,    shorthaired,    sighthounds,    size,    sized,    smooth,    smoothhair,    smooth-haired,    whelps,