The best replacement for cu is csu.

The best alternatives to cu are rated as following:
★★★★★  csu
★★★  csu football
★★  csu tickets
★  tty
★  ag
  fec
  kansas
  csu 2013
  csu score
  du

Your alternative for cu is not listed? Suggest!
Speaking about cu, one probably shouldn't forget about h2so4.

Other search terms related to cu and their ratings are:
★★★★★ h2so4
★★★ agno3
You have in mind a companion for cu and it is not yet here? Propose!



Google Trends

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cu
csu
csu football