diff --git a/src/PhonoChangeApplier.js b/src/PhonoChangeApplier.js
index 8d52d83..a50c31b 100644
--- a/src/PhonoChangeApplier.js
+++ b/src/PhonoChangeApplier.js
@@ -1,5 +1,6 @@
 import React, { useState } from 'react';
 import './PhonoChangeApplier.scss';
+import ls from 'local-storage';
 
 import ProtoLang from './components/ProtoLang';
 import Features from './components/Features';
@@ -8,9 +9,16 @@ import Options from './components/Options';
 import Output from './components/Output';
 
 const PhonoChangeApplier = () => {
-  const [ lexicon, setLexicon ] = useState(['one']);
+  const [ lexicon, setLexicon ] = useState(['mun', 'tʰu', 'tɯm', 'utʰ']);
   const [ phonemes, setPhonemes ] = useState( 
-      { phoneme: [ 'feature' ] } 
+      { 
+        n: [ 'occlusive', 'sonorant', 'obstruent', 'nasal', 'alveolar' ], 
+        m: [ 'occlusive', 'sonorant', 'obstruent', 'nasal', 'bilabial' ], 
+        u: [ 'continuant', 'sonorant', 'syllabic', 'high', 'back', 'rounded' ], 
+        ɯ: [ 'continuant', 'sonorant', 'syllabic', 'high', 'back', 'unrounded' ], 
+        t: [ 'occlusive', 'plosive', 'obstruent', 'alveolar' ], 
+        tʰ: [ 'occlusive', 'plosive', 'obstruent', 'alveolar', 'aspirated' ]
+      } 
   );
   const [ epochs, setEpochs ] = useState([{name: 'epoch 1', changes:['[+ feature]>[- feature]/_#']}]);
   const [ options, setOptions ] = useState({output: 'default', save: false})
@@ -23,8 +31,8 @@ const PhonoChangeApplier = () => {
     let ruleError = epochs.reduce((errorObject, epoch) => {
       epoch.changes.map((change, index) => {
         if (!change.match(/>.*\/.*_/)) errorObject[epoch.name] 
-          ? errorObject[epoch.name].push(index) 
-          : errorObject[epoch.name] = [index]
+        ? errorObject[epoch.name].push(index) 
+        : errorObject[epoch.name] = [index]
       })
       return errorObject;
     }, {})
@@ -32,7 +40,29 @@ const PhonoChangeApplier = () => {
     if (Object.entries(ruleError).length) return setErrors(ruleError)
     setErrors({});
     
-    // setResults
+    // decompose Lexical Items
+    // moving window on phonemes of each lexical item
+    let lexicalFeatureBundles = []
+    lexicon.forEach(lexeme => {
+      let lexemeBundle = [];
+      let startingIndex = 0;
+      let lastIndex = lexeme.length - 1;
+      [...lexeme].forEach((_, index) => {
+        if (phonemes[lexeme.slice(startingIndex, index + 1)] && index !== lastIndex) return;
+        if (phonemes[lexeme.slice(startingIndex, index + 1)]) return lexemeBundle.push(phonemes[lexeme.slice(startingIndex)])
+        if (index !== 0 && index !== lastIndex) lexemeBundle.push(phonemes[lexeme.slice(startingIndex, index)])
+        if (index === lastIndex) {
+          lexemeBundle.push(phonemes[lexeme.slice(startingIndex, index)])
+          lexemeBundle.push(phonemes[lexeme.slice(index)])
+        }
+        startingIndex = index;
+      })
+      lexicalFeatureBundles.push({[lexeme]: lexemeBundle});
+    })
+    console.log(lexicalFeatureBundles)
+    // apply sound changes
+
+    // handle output
   }
 
   return (