code: def text2tokens_svs(self, syllable: str) -> List[str]:
      # Note(Yuning): fix syllabel2phoneme mismatch
      # If needed, customed_dic can be changed into extra input
      customed_dic = {
          "へ": ["h", "e"],
          "は": ["h", "a"],
          "シ": ["sh", "I"],
          "ヴぁ": ["v", "a"],
          "ヴぃ": ["v", "i"],
          "ヴぇ": ["v", "e"],
          "ヴぉ": ["v", "o"],
          "でぇ": ["dy", "e"],
          "くぁ": ["k", "w", "a"],
          "くぃ": ["k", "w", "i"],
          "くぅ": ["k", "w", "u"],
          "くぇ": ["k", "w", "e"],
          "くぉ": ["k", "w", "o"],
          "ぐぁ": ["g", "w", "a"],
          "ぐぃ": ["g", "w", "i"],
          "ぐぅ": ["g", "w", "u"],
          "ぐぇ": ["g", "w", "e"],
          "ぐぉ": ["g", "w", "o"],
          "くぉっ": ["k", "w", "o", "cl"],
      }
      tokens = self.g2p(syllable)
      if syllable in customed_dic:
          tokens = customed_dic[syllable]
      return tokens
  
imports: import logging
  import re
  import warnings
  from pathlib import Path
  from typing import Iterable, List, Optional, Union
  import g2p_en
  import jamo
  from packaging.version import parse
  from typeguard import check_argument_types
  from espnet2.text.abs_tokenizer import AbsTokenizer
label_desc: Use image node_id 5 for calling the PhonemeTokenizer obj's underlying member method code with example usage: obj.text2tokens_svs(syllable) and returns: tokens