4,    adults,    animals,    bicolor,    bicolour,    black-white,    brown-white,    caves,    cavies,    contact,    eat,    eats,    fodder,    format,    gnawers,    hair,    holes,    indoors,    laterally,    pets,    pigs,    rodents,    smooth,    smoothhair,    smooth-haired,    two-colored,    two-coloured,