diff --git a/misc/plover.nix b/misc/plover.nix
index 8199db1..7e4c5ff 100644
--- a/misc/plover.nix
+++ b/misc/plover.nix
@@ -68,9 +68,12 @@ in rec {
     pname = "regenpfeifer";
     version = inputs.regenpfeifer.lastModifiedDate;
     src = inputs.regenpfeifer;
+    patches = [
+      ./regenpfeifer.patch
+    ];
     nativeBuildInputs = [regenpfeifer-env];
     buildPhase = ''
-      PYTHONPATH=${regenpfeifer-env}/site-packages LC_ALL=C.UTF-8 pypy3 -m regenpfeifer.dictionary_generator ${wortformliste} $out unmatched.log 25000 100000
+      PYTHONPATH=${regenpfeifer-env}/site-packages LC_ALL=C.UTF-8 pypy3 -m regenpfeifer.dictionary_generator ${wortformliste} $out unmatched.log 0 0
     '';
     installPhase = "cat unmatched.log";
   };
diff --git a/misc/regenpfeifer.patch b/misc/regenpfeifer.patch
new file mode 100644
index 0000000..f25a26a
--- /dev/null
+++ b/misc/regenpfeifer.patch
@@ -0,0 +1,136 @@
+diff --git a/regenpfeifer/stroke_generator.py b/regenpfeifer/stroke_generator.py
+index e35c6ba..e84630c 100644
+--- a/regenpfeifer/stroke_generator.py
++++ b/regenpfeifer/stroke_generator.py
+@@ -39,7 +39,7 @@ class StrokeGenerator(object):
+         word = word.lower()
+         
+         splitted_word = self.word_splitter.split(word)
+-        aggregated_words = self.stroke_aggregator.aggregate_strokes('/'.join(splitted_word))
++        aggregated_words = ['/'.join(splitted_word)] #self.stroke_aggregator.aggregate_strokes('/'.join(splitted_word))
+         
+         matched_strokes_list = []
+         # for element in itertools.product(*somelists):
+diff --git a/regenpfeifer/word_syllable_splitter.py b/regenpfeifer/word_syllable_splitter.py
+index 47248d2..9d45887 100644
+--- a/regenpfeifer/word_syllable_splitter.py
++++ b/regenpfeifer/word_syllable_splitter.py
+@@ -1,11 +1,13 @@
+ '''
+-Created on 27.07.2019
++Rewritten on 17.06.2022
+ 
+-Based on Algorithm by Daniel Kirsch on https://www.wer-weiss-was.de/t/silbentrennung/544436
++Uses pyphen
+ 
+ @author: mkoerner
+ '''
+ 
++import pyphen
++
+ 
+ class WordSyllableSplitter(object):
+     '''
+@@ -16,91 +18,7 @@ class WordSyllableSplitter(object):
+         '''
+         Constructor
+         '''
+-        self.vowels = ['a', 'e', 'i', 'o', 'u', 'ä', 'ö', 'ü']
+-
+-        self.split_vowel_pairs = ['io', 'eie', 'eue']
+-        self.preventing_vowel_split_right = ['nen']
+-
+-        self.splitters = ['sst', 'ier']
+-        self.non_connectors = ['chl']
+-        self.certain_connectors = ['sch', 'ch', 'ck', 'schl', 'chl']
+-        self.left_connectors = ['er', 'an']
+-        self.left_non_connectors = ['ana']
+-        self.possible_connectors = ['ph', 'pf', 'br', 'pl', 'tr', 'gr', 'sp', 'kl', 'zw', 'spr', 'fr', 'gl', 'bl', 'ren']
+-        self.separators = ['-', '*', ';', '.', '+', '=', ')', '(', '&', '!', '?', '', ':', ' ', '_', '~']
+-
+-    def get_split_positions(self, word):
+-        word = word.lower()
+-        split_positions = []
+-        word_length = len(word)
+-        if word_length > 2:
+-            split_allowed = False
+-            for i in range(1, word_length):
+-                z_minus_3 = ""
+-                if i > 2:
+-                    z_minus_3 = word[i - 3]
+-                z_minus_2 = ""
+-                if i > 1:
+-                    z_minus_2 = word[i - 2]
+-                z_minus_1 = word[i - 1]
+-                if not split_allowed and z_minus_1 in self.vowels:
+-                    split_allowed = True
+-                if split_allowed:
+-                    z = word[i]
+-                    z1 = ""
+-                    if word_length > i + 1:
+-                        z1 = word[i + 1]
+-
+-                    v = z_minus_1 + z
+-                    
+-                    v_extended = z_minus_2 + v
+-                    if v_extended in self.certain_connectors or v_extended in self.possible_connectors or v_extended in self.splitters or v_extended in self.split_vowel_pairs or v_extended in self.non_connectors:
+-                        v = v_extended
+-
+-                    v_extended = z_minus_3 + v_extended
+-                    if v_extended in self.certain_connectors or v_extended in self.possible_connectors or v_extended in self.splitters or v_extended in self.split_vowel_pairs or v_extended in self.non_connectors:
+-                        v = v_extended
+-                    
+-                    if v in self.split_vowel_pairs:
+-                        # get everything after i
+-                        z_i_plus = word[i + 1:]
+-                        if z_i_plus not in self.preventing_vowel_split_right:
+-                            split_positions.append(i)
+-                            continue
+-                        
+-                    elif z1 in self.vowels and z not in self.vowels and z not in self.separators and z_minus_1 not in self.separators:
+-                        if v in self.non_connectors:
+-                            continue
+-                        if v in self.certain_connectors:
+-                            self.add_split_position(i - len(v) + 1, word, split_positions)
+-                        elif v in self.splitters:
+-                            self.add_split_position(i, word, split_positions)
+-                        elif v + z1 in self.left_non_connectors:
+-                            self.add_split_position(i + 2, word, split_positions)
+-                        elif v in self.left_connectors :
+-                            self.add_split_position(i + 1, word, split_positions)
+-                        elif v in self.possible_connectors:
+-                            self.add_split_position(i - len(v) + 1, word, split_positions)
+-                        else:
+-                            self.add_split_position(i, word, split_positions)
+-                            
+-        return split_positions
+-            
+-    def add_split_position(self, split_position, word, split_positions):
+-        if split_position > 1 and split_position < len(word) - 1:
+-            split_positions.append(split_position)
++        self.dic = pyphen.Pyphen(lang="de_DE")
+ 
+     def split(self, word):
+-        split_positions = self.get_split_positions(word)
+-        syllables = []
+-
+-        current_syllable = ''
+-        for i in range(len(word)):
+-            if i in split_positions:
+-                syllables.append(current_syllable)
+-                current_syllable = ''
+-            current_syllable += word[i]
+-        if len(current_syllable) > 0:
+-            syllables.append(current_syllable)
+-            
+-        return syllables
++        return self.dic.inserted(word, "\xAD").split("\xAD")
+diff --git a/requirements.txt b/requirements.txt
+index 7d23c96..054b8a3 100644
+--- a/requirements.txt
++++ b/requirements.txt
+@@ -1 +1,2 @@
+-marisa_trie==0.7.7
+\ No newline at end of file
++marisa_trie==0.7.7
++pyphen==0.12.0