Separate names with a comma.
C'mon, it goes from T-45, to T-51, to maybeee T-60, to X-01, X-02, and then Hellfire. There's no 1-44, 46-50, 52-59, or any letter from T to Z....
https://bethesda.net/#en/events/game/fallout-4-creation-kit/2016/04/26/114 "Starting today, we are excited to deliver on something we’ve wanted...