It can be cysts, HPV warts or molluscum contagiosum. It is not very clear from the photographs. Get it checked from a dermatologist and get a biopsy skin done to confrim the diagnosis.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.