Rashi on Genesis 14:2/רש"י על בראשית י״ד:ב׳

1ברע BERA —Evil (רע) towards God and evil towards mankind (Midrash Tanchuma, Lech Lecha 8).

2ברשע BIRSHA — Because he rose by means of wickedness (רָשַׁע) (Midrash Tanchuma, Lech Lecha 8)).

3שנאב SHINAB — He hated (שנא) his Father (אב) in heaven (Midrash Tanchuma, Lech Lecha 8)).

4שמאבר SHEMEBER — He set his wings (שם אבר) to fly, flapping them to rebel against the Holy One, blessed be He (Midrash Tanchuma, Lech Lecha 8)).

5בלע BELA is the name of this king’s city (but the king’s own name is not mentioned here).