code: function filterEndingWith( wordCombinations, str, exceptions ) {
  	wordCombinations = wordCombinations.filter( function( combination ) {
  		const combinationstr = combination.getCombination();
  		for ( let i = 0; i < exceptions.length; i++ ) {
  			if ( combinationstr.endsWith( exceptions[ i ] ) ) {
  				return true;
  			}
  		}
  		return ! combinationstr.endsWith( str );
  	} );
  	return wordCombinations;
  }
docs: Filters combinations based on whether they end with a specified string or not.
  
  @param {WordCombination[]} wordCombinations The array of WordCombinations to filter.
  @param {string} str The string the WordCombinations that need to be filtered out end with.
  @param {string[]} exceptions The array of strings containing exceptions to not filter.
  @returns {WordCombination[]} The filtered array of WordCombinations.