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αἶπος, διάτασις, διαπόνησις, τὸ ἔμπονον, ἀγών, ἀγώνισις, ἀνάτασις, ἁμίλλημα, ἄχθισις, ἅμιλλα, ἐμπόνησις, ἔντασις