Overly and greedily are the adverbs in the sentence.
Explanation:
An adverb is a word that describes, or modifies different kinds of words such as verbs, adjectives, adverbs or clauses, normally adverbs are formed with an adjective and the endings ly, ally, or ily, here we have the original words over and greedy, which are adjectives, then after getting these endings they become adverbs.
