docs: def all_entries(self):
          """
          Equivalent of all_comp but returns entries, in the same order as the
          coefficients.
          """
          entries = []
          for c in self._all_comp:
              for e in self._all_entries:
                  if e.composition.reduced_formula == c.reduced_formula:
                      entries.append(e)
                      break
          return entries