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After having studied nautical studies in Lekeitio , he went on to Bilbao to do his baccalaureate and then Vitoria and University of Salamanca to study theology and philosophy .
 Lekeitio, Bilbao, Vitoria, University of Salamanca
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lekeitio, Bilbao, Vitoria, University of Salamanca