1. nltk_3.5-1.debian.tar.xz
2. nltk_3.5-1.dsc
3. nltk_3.5.orig.tar.gz
4. nltk_3.8-1.debian.tar.xz
5. nltk_3.8-1.dsc
6. nltk_3.8.orig.tar.gz
7. nltk_3.9.1-2.debian.tar.xz
8. nltk_3.9.1-2.dsc
9. nltk_3.9.1.orig.tar.gz
10. python3-nltk_3.5-1_all.deb
11. python3-nltk_3.8-1_all.deb
12. python3-nltk_3.9.1-2_all.deb