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He once said in an interview that winning the state championship ( AA ) at Grace in 1959 was his greatest thrill as a coach , even topping the NBA championship he won two decades later .
 AA, Grace, NBA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 AA, Grace, NBA