My 2 years 1 month 25 days old boy does not say any words except for "na" clearly. other words are all gibberish sounds. I trying therapy for him, what can I do at home?

A. What Therapy are you going far have you concerned in a speech therapy or something because a lot of times it is not about the delay in the speech or something it is that certain time the vocal glands have not developed properly so try to figure out the correct reason first