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He started professionally in the second division , consecutively for F.C. Penafiel , Leça F.C. and F.C. Felgueiras , before moving to powerhouse F.C. Porto in 1996 ; two hugely successful years with the latter saw his runs down the right flank , combined with a good goalscoring record , help it to back-to-back domestic championships and a Portuguese Cup triumph .
 F.C. Penafiel, Leça F.C., F.C. Felgueiras, F.C. Porto, domestic championships, Portuguese
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 F.C. Penafiel, Leça F.C., F.C. Felgueiras, F.C. Porto, domestic championships, Portuguese