sentences:  During the season, TCWC Perth named 5 systems and identified a sixth that occurred in July 2007 that should have been named Lee operationally, while TCWC Darwin named 1 system and TCWC Brisbane named none.After the season, TCWC Perth, Darwin and Brisbane merged their naming lists into one list, while the names Guba and Helen were retired.TCWC Perth
  
  
  TCWC Darwin
  
  TCWC Jakarta
  
  TCWC Port Moresby