void mergeWords(){
  mergeCompoundNames();
  mergeThreeWordExpressions();
  if (mergeTwoWordExpressions() > 0) {
    mergeThreeWordExpressions();
  }
}

void mergeWords ( ) { mergeCompoundNames ( ) ; mergeThreeWordExpressions ( ) ; if ( mergeTwoWordExpressions ( ) > 0 ) { mergeThreeWordExpressions ( ) ; } }
merge words to form a simpler sentence structure .
