you are right a home, this is lost stories. Maybe we need a Lust stories topic?
Author's final stories would be last stories. I am not sure what lest stories would be. Lest we forget? List stories are ones on the top fifty lists. There might be Lyst stories, sometimes y. Lost and lust are already potentials or actuals.
There could be lots of --st stories. Best, Crest, Dressed, Undressed, worst, fast, cast, mast (four years before the mast), past, vast, fist, missed, blest... So many I probably have omitted lots. Lots is a ts story, not a st.