The conversation between human and AI assistant.
[|Human|] Arrange the set of words in descending order of length.
[|AI|] 1. edit (4 letters)  
2. here (4 letters)
3. this (4 letters)
4. the (3 letters)
5. a (1 letter)
[|Human|] 
Arrange the set of words in descending order of length.