code: def _prepend_prefix_for_one_word(self, word: str) -> List[str]:
      return [
          f"{self.grapheme_prefix}{character}" for character in word
      ]
  
imports: import pathlib
  import random
  import re
  from collections import defaultdict
  from typing import Callable, Dict, List, Optional, Set, Tuple, Union
  from nemo.collections.common.tokenizers.text_to_speech.ipa_lexicon import validate_locale
  from nemo.collections.common.tokenizers.text_to_speech.tokenizer_utils import LATIN_CHARS_ALL, any_locale_word_tokenize, english_word_tokenize, normalize_unicode_text
  from nemo.collections.tts.g2p.models.base import BaseG2p
  from nemo.collections.tts.g2p.utils import GRAPHEME_CASE_MIXED, GRAPHEME_CASE_UPPER, set_grapheme_case
  from nemo.utils import logging
  from nemo.utils.decorators import experimental
label_desc: Use image node_id 5 for calling the IpaG2p obj's underlying member method code with example usage: obj._prepend_prefix_for_one_word(word) and returns: unknown