Who spent the initial days of her lives on streets?

Feebie (Phoebe) is correct - Phoebe Buffay spent time living on the streets as a homeless person before the events of Friends. This backstory was revealed through various episodes, showing her difficult childhood and early life. She often mentioned her experiences living on the streets and her grandmother's death, which left her homeless at a young age. Note: The name is spelled 'Phoebe' in the show, not 'Feebie'.