code: def vietnamese_sort_key(s):
      return [vietnamese_alphabet_order[c] for c in s]
  
file_path: underthesea/underthesea/utils/vietnamese_ipa.py
imports: from collections import OrderedDict
  from types import SimpleNamespace
  import regex
  from underthesea.pipeline.word_tokenize.regex_tokenize import VIETNAMESE_VOWELS_LOWER
  from underthesea.utils.vietnamese_ipa_rules import codas, nuclei, onsets, onoffglides, onglides, offglides
label_desc: Use image node_id 1 for calling a global function with example usage: vietnamese_sort_key(s) and returns: unknown