fingernails- H, a hard covering that grows in the ends of the fingers.
germs- g, viruses or bacteria
rinse- f, to wash something with water
scrub- a, to clean by rubbing
soap- b, a substance that helps remove dirt and germs
spread- e, to travel from person to person
towel- d, a piece of cloth for absorbing liquid
warm-c, having a pleasant feeling of slight heat