{
  "derived_from": "Rebecca Yarros, 5 novels, Kvasir licensed library",
  "derived_at": "2026-09-11",
  "note": "R49 F02 rule: a rename pool's character inventory must be a SUBSET of this. Measured on the built text: 23 non-ASCII letters, so the pool is ASCII-only -- the opposite of the Brontë corpus, which needed French accents kept.",
  "letters": [
    "A",
    "B",
    "C",
    "D",
    "E",
    "F",
    "G",
    "H",
    "I",
    "J",
    "K",
    "L",
    "M",
    "N",
    "O",
    "P",
    "Q",
    "R",
    "S",
    "T",
    "U",
    "V",
    "W",
    "X",
    "Y",
    "Z",
    "a",
    "b",
    "c",
    "d",
    "e",
    "f",
    "g",
    "h",
    "i",
    "j",
    "k",
    "l",
    "m",
    "n",
    "o",
    "p",
    "q",
    "r",
    "s",
    "t",
    "u",
    "v",
    "w",
    "x",
    "y",
    "z",
    "à",
    "é",
    "ï"
  ],
  "non_ascii": {
    "à": 2,
    "é": 19,
    "ï": 2
  }
}