code: def _convert_consonant(sign: str) -> str:
      """
      Uses dictionary to replace ATF convention for unicode characters.
  
      >>> signs = ["as,", "S,ATU", "tet,", "T,et", "sza", "ASZ"]
      >>> [_convert_consonant(s) for s in signs]
      ['aṣ', 'ṢATU', 'teṭ', 'Ṭet', 'ša', 'AŠ']
      """
  
      for key in TITTLES:
          sign = sign.replace(key, TITTLES[key])
      return sign
  
file_path: cltk/src/cltk/text/akk.py
imports: import re
  from typing import List, Tuple
  from unicodedata import normalize
label_desc: Use image node_id 1 for calling a global function with example usage: _convert_consonant(sign) and returns: sign