Match the disease with its prevention/curability.
| Column I | Column II |
|---|---|
| (a) Genital herpes | (i) Completely curable if detected early |
| (b) Hepatitis-B | (ii) Can be prevented with vaccines |
| (c) Gonorrhoea | (iii) Not completely curable |
| (d) Chlamydiasis | (iv) Completely curable if detected early |