Is it possible to get my supply back? :/

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Hello due to cluster feeding i supplemented with formula (when I just should have pre-pumped bottles) now I am only getting less than an ounce together. My daughter is 2 months old. Had like 16hr stretches between pumping. I’m trying to get my supply back I’ve been pumping every 3 hours at least for one day now even at night. My milk supply came in 3 day pp so I’m hoping around that time I can get something and 4 oz each pump. Is it possible to get any type of supply back? Or am I don’t for. Thank you in advance