Lemmatise un mot f avec sa désassimilation

        :param f: Mot à lemmatiser
        :yield: Match formated like in _lemmatise()

def _lemmatise_desassims(self, f, *args, **kwargs):
        """ Lemmatise un mot f avec sa désassimilation

        :param f: Mot à lemmatiser
        :yield: Match formated like in _lemmatise()
        """
        forme_assimilee = self.desassims(f)
        if forme_assimilee != f:
            for proposal in self._lemmatise(forme_assimilee, *args, **kwargs):
                yield proposal