I skipped classes to avoid doing that, i bombed many a presentation because I had trouble with certain sentences and it impacted my grades. I think not being able to make the best of time in grad school is something I can get over eventually, but a bigger regret I have is not being able to make meaningful connections with my peers in school because I'd avoid hanging out with people because of my anxiety over my stutter. In a way it almost feels like I never experienced
I still have issues with words starting with "A" which is unfortunate since my name starts with an A. I still speak really quickly which i think comes from a habit of trying to get through speech quickly to get it over with.
I do believe that a lot of it is mostly because of my anxiety as I speak just fine when i'm relaxed, and I've been trying to work on using different words when I feel like certain phrases/words will cause problems.