diff --git a/__pycache__/test2.cpython-311.pyc b/__pycache__/test2.cpython-311.pyc
new file mode 100644
index 0000000..7671175
Binary files /dev/null and b/__pycache__/test2.cpython-311.pyc differ
diff --git a/test.py b/test.py
index 64ffb2c..9a25d96 100644
--- a/test.py
+++ b/test.py
@@ -21,9 +21,9 @@ def melange(iterable):
     return sample(liste, len(liste))
 
 def mots_de_n_lettres(n):
-    for mot in melange(mots[n]):
+    for mot in mots[n]:
         yield mot
-    for mot in melange(mots[n-1]):
+    for mot in mots[n-1]:
         yield f"{mot} "
         yield f" {mot}"
     for i in range(2, ceil(n / 2)):
@@ -54,7 +54,7 @@ class Colonne:
         self.grille = grille
 
     def __getitem__(self, n):
-        return "".join(row[n] for row in self.grille)
+        return "".join(ligne[n] for ligne in self.grille)
 
     def __setitem__(self, n, mot):
         for i, char in enumerate(mot):
@@ -70,8 +70,8 @@ class Grille:
         self.colonne = Colonne(self.grille)
 
         self.mots_de_n_lettres = {
-            hauteur: set(mots_de_n_lettres(hauteur)),
-            largeur: set(mots_de_n_lettres(largeur)),
+            hauteur: melange(mots_de_n_lettres(hauteur)),
+            largeur: melange(mots_de_n_lettres(largeur)),
         }
         self.mots_par_position = defaultdict(lambda: defaultdict(set))
         for nb_lettres in (self.largeur, self.hauteur):
@@ -98,8 +98,8 @@ class Grille:
         l = 0
         self.lignes_restantes.remove(l)
         for mot_lig in self.mots_de_n_lettres[self.largeur]:
-            if ' ' in mot_lig:
-                continue
+            # if ' ' in mot_lig:
+                # continue
             self.ligne[l] = mot_lig
             yield from self.trouve_une_colonne(l, mot_lig)
         self.ligne[l] = "." * self.largeur
diff --git a/test2.py b/test2.py
new file mode 100644
index 0000000..1910a4e
--- /dev/null
+++ b/test2.py
@@ -0,0 +1,140 @@
+import csv
+from re import compile, match
+from random import choice, sample, randrange
+from collections import defaultdict
+from math import ceil
+from itertools import product, chain
+
+
+dico = defaultdict(list)
+with open("dico.csv", "r", encoding="utf-8") as fichier:
+    for mot, definition in csv.reader(fichier, delimiter="\t"):
+        if not mot.startswith("#"):
+            dico[mot].append(definition)
+
+mots = defaultdict(set)
+for mot in dico:
+    mots[len(mot)].add(mot)
+
+
+def mots_de_n_lettres(n):
+    for mot in mots[n]:
+        yield mot
+    # for mot in mots[n-1]:
+    #     yield f"{mot} "
+    #     yield f" {mot}"
+    for i in range(2, ceil(n / 2)):
+        for mot1, mot2 in product(mots[i], mots_de_n_lettres(n - i - 1)):
+            yield f"{mot1} {mot2}"
+            yield f"{mot2} {mot1}"
+        # for mot1, mot2 in product(mots[i], mots_de_n_lettres(n - i - 2)):
+        #     yield f" {mot1} {mot2}"
+        #     yield f"{mot2} {mot1} "
+        # for mot1, mot2 in product(mots[i-1], mots_de_n_lettres(n - i - 1)):
+        #     yield f" {mot1} {mot2}"
+        #     yield f"{mot2} {mot1} "
+
+
+class Ligne:
+    def __init__(self, grille):
+        self.grille = grille
+
+    def __getitem__(self, n):
+        return "".join(self.grille[n][:n])
+
+    def __setitem__(self, n, mot):
+        self.grille[n] = list(mot)
+
+
+class Colonne:
+    def __init__(self, grille):
+        self.grille = grille
+
+    def __getitem__(self, n):
+        return "".join(ligne[n] for ligne in self.grille[:n+1])
+
+    def __setitem__(self, n, mot):
+        for i, char in enumerate(mot):
+            self.grille[i][n] = char
+
+
+class Grille:
+    def __init__(self, hauteur, largeur):
+        self.hauteur = hauteur
+        self.largeur = largeur
+        self.grille = [["." for _ in range(largeur)] for _ in range(hauteur)]
+        self.ligne = Ligne(self.grille)
+        self.colonne = Colonne(self.grille)
+
+        self.mot_commencant_par = defaultdict(lambda: defaultdict(list))
+        for dimension in (hauteur,) if hauteur == largeur else (hauteur, largeur):
+            for mot in mots_de_n_lettres(dimension):
+                for i in range(dimension+1):
+                    self.mot_commencant_par[dimension][mot[:i]].append(mot)
+
+        self.grilles = self.genere_grilles()
+        next(self.grilles)
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        return next(self.grilles)
+
+    def genere_grilles(self):
+        print(f"Grille({self.hauteur}, {self.largeur})")
+        yield from self.trouve_une_ligne(0)
+
+    def trouve_une_ligne(self, i):
+        for mot in self.mot_commencant_par[self.largeur][self.ligne[i]]:
+            self.ligne[i] = mot
+            if i < self.largeur:
+                yield from self.trouve_une_colonne(i)
+            elif i + 1 < self.hauteur:
+                yield from self.trouve_une_ligne(i + 1)
+            else:
+                yield self
+
+    def trouve_une_colonne(self, i):
+        for mot in self.mot_commencant_par[self.hauteur][self.colonne[i]]:
+            self.colonne[i] = mot
+            if i + 1 < self.hauteur:
+                yield from self.trouve_une_ligne(i + 1)
+            elif i + 1 < self.largeur:
+                yield from self.trouve_une_colonne(i + 1)
+            else:
+                yield self
+
+    def __str__(self):
+        return (
+            "   "
+            + " ".join(chr(65 + i) for i in range(self.largeur))
+            + "\n"
+            + "\n".join(
+                f"{i + 1:2} " + " ".join(ligne) for i, ligne in enumerate(self.grille)
+            )
+        )
+
+    def __repr__(self):
+        return self.__str__()
+
+
+if __name__ == "__main__":
+    import time
+
+    class Timer:
+        def __enter__(self):
+            self.start = time.time()
+            return self
+
+        def __exit__(self, *exc_info):
+            end = time.time()
+            print(f"Execution time: {end - self.start:.2f} seconds")
+
+    for i in range(2, 14):
+        with Timer():
+            print(Grille(i, i))
+        with Timer():
+            print(Grille(i + 1, i))
+        with Timer():
+            print(Grille(i, i + 1))