code: def apply_T11(word):
      '''If a VVV sequence contains a /u, y/-final diphthong and the third vowel
      is /i/, there is a syllable boundary between the diphthong and /i/.'''
      WORD = word
      offset = 0
  
      for vvv in t11_vvv_sequences(WORD):
          # i = vvv.start(1) + (1 if vvv.group(1).startswith('i') else 2) + offset
          i = vvv.start(1) + (1 if vvv.group(1)[-1] in 'uy' else 2) + offset
          WORD = WORD[:i] + '.' + WORD[i:]
          offset += 1
  
      RULE = ' T11' if word != WORD else ''
  
      return WORD, RULf apply_T11(word):
      '''If a VVV sequence contains a /u, y/-final diphthong and the third vowel
      is /i/, there is a syllable boundary between the diphthong and /i/.'''
      WORD = word
      offset = 0
  
      for vvv in t11_vvv_sequences(WORD):
          # i = vvv.start(1) + (1 if vvv.group(1).startswith('i') else 2) + offset
          i = vvv.start(1) + (1 if vvv.group(1)[-1] in 'uy' else 2) + offset
          WORD = WORD[:i] + '.' + WORD[i:]
          offset += 1
  
      RULE = ' T11' if word != WORD else ''
  
      return WORD, RULE
docs: If a VVV sequence contains a /u, y/-final diphthong and the third vowel
      is /i/, there is a syllable boundary between the diphthong and /i/.