static L<SS> ai_texts_dollarAny_two(T3<S> a, T3<S> b) {
  L<SS> l = ai_texts_dollarAny(a);
  if (empty(l)) ret l;
  
  new L<SS> out;
  for (SS map : l) {
    T3<S> t = ai_replaceStandaloneVarsInTriple(b, map);
    for (SS map2 : ai_texts_dollarAny(t))
      out.add(mergeMaps(map, map2));
  }
  ret out;
}