whole_func_string: function filterFunctionWordsAtBeginning( wordCombinations, functionWords ) {
  	return wordCombinations.filter( function( combination ) {
  		return ! includes( functionWords, combination.getWords()[ 0 ] );
  	} );
  }
func_code_string: function filterFunctionWordsAtBeginning( wordCombinations, functionWords ) {
  	return wordCombinations.filter( function( combination ) {
  		return ! includes( functionWords, combination.getWords()[ 0 ] );
  	} );
  }
func_documentation_string: Filters word combinations beginning with certain function words.
  
  @param {WordCombination[]} wordCombinations The word combinations to filter.
  @param {array} functionWords The list of function words.
  @returns {WordCombination[]} Filtered word combinations.