diff --git a/data/alphabet.txt b/data/alphabet.txt
new file mode 100644
index 0000000..960650c
--- /dev/null
+++ b/data/alphabet.txt
@@ -0,0 +1 @@
+abbcccddddeeeeeffffffggggggghhhhhhhhiiiiiiiiijjjjjjjjjjkkkkkkkkkkkllllllllllllmmmmmmmmmmmmmnnnnnnnnnnnnnnoooooooooooooooppppppppppppppppqqqqqqqqqqqqqqqqqrrrrrrrrrrrrrrrrrrsssssssssssssssssssttttttttttttttttttttuuuuuuuuuuuuuuuuuuuuuvvvvvvvvvvvvvvvvvvvvvvwwwwwwwwwwwwwwwwwwwwwwwxxxxxxxxxxxxxxxxxxxxxxxxyyyyyyyyyyyyyyyyyyyyyyyyyzzzzzzzzzzzzzzzzzzzzzzzzzz
\ No newline at end of file
diff --git a/data/sylvain.txt b/data/sylvain.txt
new file mode 100644
index 0000000..d0aa1cc
--- /dev/null
+++ b/data/sylvain.txt
@@ -0,0 +1 @@
+TROPP FORT FRODO DORT
\ No newline at end of file