Ключевые слова: abbreviation, activity, aids, awareness, background, bacteria, blocks, blue, care, chlamydia, concept, copy, cubes, diagnosis, diseases, flat, gonorrhea, health, hepatitis, herpes, hiv, illness, infection, lay, letters, light, medical, medicine, object, pills, sex, sexual, sexually, sickness, space, std, stethoscope, sti, symptoms, syphilis, table, test, text, top, transmitted, treatment, venereal, view, virus, wooden,