# DFS - Permutation Based and Graph Based

- [Permutation Index 排列序号](/algorithm-notes/dfs-permutation-based-and-graph-based/permutation-index-pai-lie-xu-hao.md)
- [Permutation Index II 排列序号II](/algorithm-notes/dfs-permutation-based-and-graph-based/permutation-index-ii-pai-lie-xu-hao-ii.md)
- [Next Permutation 下一个排列](/algorithm-notes/dfs-permutation-based-and-graph-based/next-permutation-xia-yi-ge-pai-lie.md)
- [previous permutation 上一个排列](/algorithm-notes/dfs-permutation-based-and-graph-based/previous-permutation-shang-yi-ge-pai-lie.md)
- [Permutations 全排列](/algorithm-notes/dfs-permutation-based-and-graph-based/permutations-quan-pai-lie.md)
- [Permutations II 全排列 II](/algorithm-notes/dfs-permutation-based-and-graph-based/permutations-ii-quan-pai-lie-ii.md)
- [String Permutation I & II](/algorithm-notes/dfs-permutation-based-and-graph-based/string-permutation-i-and-ii.md)
- [Next Closest Time](/algorithm-notes/dfs-permutation-based-and-graph-based/next-closest-time.md)
- [Letter Combinations of a Phone Number](/algorithm-notes/dfs-permutation-based-and-graph-based/letter-combinations-of-a-phone-number.md)
- [Word Squares](/algorithm-notes/dfs-permutation-based-and-graph-based/word-squares.md)
- [Word Pattern II](/algorithm-notes/dfs-permutation-based-and-graph-based/word-pattern-ii.md)
- [Word Search 单词搜索](/algorithm-notes/dfs-permutation-based-and-graph-based/word-search-dan-ci-sou-suo.md)
- [Word Search II 单词搜索 II](/algorithm-notes/dfs-permutation-based-and-graph-based/word-search-ii-dan-ci-sou-suo-ii.md)
- [Word Ladder II 单词接龙 II](/algorithm-notes/dfs-permutation-based-and-graph-based/word-ladder-ii-dan-ci-jie-long-ii.md)
