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The skalds also employed complex kennings in which the determinant , or sometimes the base-word , is itself made up of a further kenning : " grennir gunn-más " " feeder of war-gull " = " feeder of raven " = " warrior " ( Þorbjörn Hornklofi : " Glymdrápa " 6 ) ; " eyðendr arnar hungrs " " destroyers of eagle 's hunger " = " feeders of eagle " = " warrior " ( Þorbjörn Þakkaskáld : Erlingsdrápa 1 ) ( referring to carnivorous birds scavenging after a battle ) .
 Þorbjörn Hornklofi, Þorbjörn Þakkaskáld
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Þorbjörn Hornklofi, Þorbjörn Þakkaskáld