Fix appendages parsing to handle multiple appendages

tests/test-data.js

@@ -404,7 +404,8 @@ const TEST_CASES = {
         { code: 'Ph+', expected: 'One more head than normal - \'I got ahead in advertising!\'' },
         { code: 'Pw-', expected: 'One less wing than normal - \'I have only one wing!\'' },
         { code: 'Pl!', expected: 'Many legs - \'I am a millipede!\'' },
-        { code: 'Pl^', expected: 'Legs end in webbed feet - \'Don\'t call me a frog!\'' }
+        { code: 'Pl^', expected: 'Legs end in webbed feet - \'Don\'t call me a frog!\'' },
+        { code: 'Phvwalt', expected: 'A head, a pair of horns or spines on the head, a pair of wings, a pair of arms, a pair of legs, and a tail' }
     ]
 };