恩哼恩哼蹦擦擦哦耶哦耨哦买噶
[ēn hēng ēn hēng bèng cā cā é yē é nòu é măi gá]
It appears to be a playful and nonsensical string of sounds which doesn't have much meaning but is designed to evoke a feeling of light-heartedness or mimic the way someone might vocalize random joyful exclamations.