I'm not totally unfamiliar with writing with constraints; I actually did two Q&As on Snoo's domain in which all A's had a singular first glyph:
https://www.reddit.com/r/casualiama/comments/4l987z/ask_anything_acquire_an_alliterative_response/
https://www.reddit.com/r/casualiama/comments/k6yr5o/ask_anything_acquire_an_alliterative_answer_again/
Just posting random things on this account