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January 27 UPI reports that inter-factional fighting has broken out in Galguduud region between al-Shabaab and Ahlu Sunna Waljama'a militants .
 Galguduud, al-Shabaab
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Galguduud, al-Shabaab