kidney                                liver                                  lung                                  bone

         patient                             surgeon                             dentist                              doctor

        sickness                               deaf                                illness                            blindness

            first                                second                                fifth                                  once

       operation                        prevention                       protection                       preventive

         kidney                                liver                                  lung                                  bone

         patient                             surgeon                             dentist                              doctor

         sickness                               deaf                                illness                            blindness

         first                                second                                fifth                                  once

         operation                        prevention                       protection                       preventive

        kidne  liver                                 lung                                  bone

         patient                             surgeon                             dentist                               doctor

        sickness                               deaf                                 illness                            blindness

            first                                 second                                fifth                                  once

       operation                         prevention                        protection                        preventive