Grasp the fundamentals of generating subsets, permutations, and combinations.

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Behavioral

# Statement

Given an input string, `word`, return all possible permutations of the string.

> **Note:** The order of permutations does not matter. 

**Constraints:**

* All characters in `word` are unique.

* $1 \leq$ `word.length` $\leq 6$
* All characters in `word` are lowercase English letters.

Problem: Permutations

Statement

Problem: Permutations

Statement