Mind palace

02-05

745. Prefix and Suffix Search

01-20

212. Word Search II

01-19

208. Implement Trie (Prefix Tree)

01-16

692. Top K Frequent Words

01-11

336. Palindrome Pairs

01-09

1032. Stream of Characters

12-03

758. Bold Words in String

12-03

616. Add Bold Tag in String

11-22

211. Design Add and Search Words Data Structure

05-31

14. Longest Common Prefix