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Alexia Dechaume-Balleret and Rika Hiraki were the defending champions but only Hiraki competed that year with Amy Frazier .
 Alexia Dechaume-Balleret, Rika Hiraki, Hiraki, Amy Frazier
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alexia Dechaume-Balleret, Rika Hiraki, Hiraki, Amy Frazier