diff --git a/cleanerupper/plugin.py b/cleanerupper/plugin.py
index e821289..3d172f8 100644
--- a/cleanerupper/plugin.py
+++ b/cleanerupper/plugin.py
@@ -195,6 +195,7 @@ def remove_unwanted_classes_ids(soup):
     PATTERNS = [
         r'big\d+',
         r'blnonindent\d*',
+        r'bodyMatter',
         r'c\d+',
         r'calibre_?\d*',
         r'calibre_pb_\d+',
@@ -217,6 +218,7 @@ def remove_unwanted_classes_ids(soup):
         r'page_?\d+',
         r'page_top_padding',
         r'pagebreak',
+        r'para',
         r'pgepubid\d*',
         r'right',
         r'section',
@@ -351,6 +353,10 @@ def replace_classes_real_tags(soup):
         'div.blockquote': 'blockquote',
         'div.center': 'center',
         'div.center1': 'center',
+        'div.ext': 'blockquote',
+        'div.extract': 'blockquote',
+        'div.p': 'p',
+        'div.pp': 'p',
         'p.block': 'blockquote',
         'p.block1': 'blockquote',
         'p.block2': 'blockquote',
@@ -358,12 +364,18 @@ def replace_classes_real_tags(soup):
         'p.blockquote': 'blockquote',
         'p.center': 'center',
         'p.center1': 'center',
+        'p.p': 'p',
+        'p.pp': 'p',
         'span.b': 'b',
         'span.i': 'i',
         'span.italic': 'i',
+        'span.sc': 'small',
         'span.small': 'small',
         'span.small1': 'small',
         'span.smallcaps': 'small',
+        'span.smallCaps': 'small',
+        'span.strike': 'strike',
+        'span.under': 'u',
         'span.underline': 'u',
     }
     for (selector, new_name) in replace.items():