A riparian is “a person who owns land on the bank of a natural watercourse or body of water.”

Machine Briefs:
Option #1: riparian= RA/PAIRN
Option #2: riparian= RI/PAIRN
Option #3: riparian= RE/PAIRN
Option #4: riparian= RA/PAIR/YAN
Option #5: riparian= RI/PAIR/YAN
Option #6: riparian= RE/PAIR/YAN