How do you say “ga-ga” in Vietnamese?

Vietnamese words for “ga-ga”

• bi bôListenverb
  Hanoi [ʔɓi˧˧ ʔɓo˧˧] · Saigon [ʔɓɪj˧˧ ʔɓow˧˧]bi level bô level

  to babble

  for “ga-ga” meaning: The noise of a baby trying to imitate speech.

• bập bẹListenverb
  Hanoi [ʔɓəp̚˧˨ʔ ʔɓɛ˧˨ʔ] · Saigon [ʔɓəp̚˨˩˨ ʔɓɛ˨˩˨]bập heavy bẹ heavy

  to babble; to prattle

  for “ga-ga” meaning: The noise of a baby trying to imitate speech.