Is there a meaning behind the names of the ten sons of Haman who were killed in the war (Esther 9:7-9):
Parshandatha, Dalphon, Aspatha, Poratha, Adalia, Aridatha, Parmashta, Arisai, Aridai, and Vajezatha.
According to this commentary, Haman symbolizes the Yetzer Harah (evil inclination), and his ten sons allude to its ten bad character traits. Their death brought about by Mordechai and Esther represents the nullification of such evil traits by being overpowered by the Yetzer Tov (good inclination). He goes through the ten sons, and explains the meaning between each name, and how each corresponds to a particular type of evil:
[I don't have time at present to translate/explain all ten of them, which you can see in the linked to page in Hebrew, and hope to complete this list when I have the time.]