Wow you must be very intelligent. Almost Jimmy Neutron tier. You can lead conversations to a certain point so you can use words you don't stutter on? That's some next level stuttering avoidance behaviour. Never even thought of doing that... Anway just wanted recommend you check out speech sound stimulability exercises and the research behind it in improving coordination between the different specch articulators. That's better than just reading out loud. Better to just practice slowly saying your problem sounds during that hour.