COMBINATIONS
    END-ON-END NOT PERMITTED. SIDE TRIPS PERMITTED WITH
    NO RESTRICTIONS.
   OPEN JAWS/ROUND TRIPS/CIRCLE TRIPS
     FARES MAY BE COMBINED ON A HALF ROUND TRIP BASIS
     -TO FORM SINGLE OR DOUBLE OPEN JAWS WHICH CONSISTS
      OF NO MORE THAN 2 INTERNATIONAL FARE COMPONENTS AND
      THE OPEN SEGMENT AT ORIGIN MUST BE IN ONE COUNTRY.
      THE OPEN SEGMENT AT DESTINATION HAS NO RESTRICTIONS
 (snipped)