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Palindrome Pairs

Understand how to identify palindrome pairs by concatenating two words from a list and verifying if the result is a palindrome. Learn to apply tries for efficient string storage and prefix searching, enabling a time-efficient solution ideal for coding interviews.

Statement

You are given a 0-indexed array of unique strings called words.

A palindrome pair is defined as a pair of indexes (i, j) where both i and j are within the valid range of the list of words (that is, 00 \leq i, j << ...