1,    a,    adults,    animals,    bred,    breed,    Canidae,    canis,    carnivores,    colour,    contact,    cross,    crossbred,    dogs,    familiaris,    floor,    floorboards,    format,    hair,    half,    heterochromia,    indoors,    laterally,    lays,    lie,    lies,    lupus,    mammals,    medium,    medium-sized,    middle,    odd-eyed,    pets,    short,    shorthaired,    size,    sized,    smooth,    smoothhair,    smooth-haired,    solo,    wood,