code: function step1b(token) {
      var r1 = getR1(token);
  
      if (!r1) {
          return token;
      }
  
      if (token.match(/(b|c|d|f|g|h|j|l|m|n|o|p|r|t|v|y|z)s$/)) {
          return token.slice(0, -1);
      }
  
      if (token.match(/([^aeiouyæåø]k)s$/)) {
          return token.slice(0, -1);
      }
  
      return token;
  }
docs: step 1b as defined for the porter stemmer algorithm.