101684
He opened a company called Paggo , and implemented the system for paying bills of the giant Brazilian mobile phone operator Oi , known as Oi Paggo .
 Oi, Oi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Oi, Oi