commit 5296d4741f5586ee7ea0aaa617a3f860fc6a083b
Author: OvsiannikovRS <OvsiannikovRS@mpei.ru>
Date:   Mon Apr 7 16:20:29 2025 +0300

    build: add file letters.txt

diff --git a/letters.txt b/letters.txt
new file mode 100644
index 0000000..1c943a9
--- /dev/null
+++ b/letters.txt
@@ -0,0 +1,3 @@
+a
+b
+c
\ No newline at end of file