diff --git a/cool_domain/factory.py b/cool_domain/factory.py
index 4b6ba7e..7ab5938 100644
--- a/cool_domain/factory.py
+++ b/cool_domain/factory.py
@@ -14,7 +14,7 @@ class FactoryError(Exception):
 
 
 class Factory:
-    __slots__ = ["__found", "__tld_list", "__word_list", "logger", "__words"]
+    __slots__ = ["__found", "__tld_list", "__word_list", "__words", "logger"]
 
     def __init__(self, tld_list: TLDList, word_list: WordList, words: int) -> None:
         self.logger: logging.Logger = logging.getLogger(self.__class__.__name__)
@@ -71,7 +71,7 @@ class Factory:
             tld_escaped = tld.replace(".", "")
             if word.endswith(tld_escaped) and len(word) > len(tld_escaped):
                 domain = word[: -len(tld_escaped)] + "." + tld
-                if domain not in self.__found:
+                if "-." not in domain and domain not in self.__found:
                     self.__found.add(domain)
                     return domain
         return None
diff --git a/cool_domain/word_list.py b/cool_domain/word_list.py
index 249bf5f..58c8e87 100644
--- a/cool_domain/word_list.py
+++ b/cool_domain/word_list.py
@@ -22,7 +22,10 @@ class WordList:
         self.logger.info("[%s] Loaded %d words", self.__name, len(self.words))
 
     def __escape_word(self, word: str) -> str:
-        return unidecode.unidecode(word.strip()).lower()
+        word = unidecode.unidecode(word.strip()).lower()
+        if " " in word:
+            return ""
+        return word
 
     def close(self) -> None:
         pass