Arduino Macro Keyboard

#include "Keyboard.h"

const int buttonPin1 = 3;
const int buttonPin2 = 2;
const int buttonPin3 = 5;
const int buttonPin4 = 4;
const int buttonPin5 = 7;
const int buttonPin6 = 6;
const int buttonPin7 = 9;
const int buttonPin8 = 8;
int previousButtonState1 = LOW;
int previousButtonState2 = LOW;
int previousButtonState3 = LOW;
int previousButtonState4 = LOW;
int previousButtonState5 = LOW;
int previousButtonState6 = LOW;
int previousButtonState7 = LOW;
int previousButtonState8 = LOW;

void setup() {
  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
  pinMode(buttonPin3, INPUT_PULLUP);
  pinMode(buttonPin4, INPUT_PULLUP);
  pinMode(buttonPin5, INPUT_PULLUP);
  pinMode(buttonPin6, INPUT_PULLUP);
  pinMode(buttonPin7, INPUT_PULLUP);
  pinMode(buttonPin8, INPUT_PULLUP);
  Keyboard.begin();
}

void loop() {
  int buttonState1 = digitalRead(buttonPin1);
  int buttonState2 = digitalRead(buttonPin2);
  int buttonState3 = digitalRead(buttonPin3);
  int buttonState4 = digitalRead(buttonPin4);
  int buttonState5 = digitalRead(buttonPin5);
  int buttonState6 = digitalRead(buttonPin6);
  int buttonState7 = digitalRead(buttonPin7);
  int buttonState8 = digitalRead(buttonPin8);

  if ((buttonState1 != previousButtonState1)
      && (buttonState1 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("word");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState1 = buttonState1;

  if ((buttonState2 != previousButtonState2)
      && (buttonState2 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("excel");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState2 = buttonState2;

  if ((buttonState3 != previousButtonState3)
      && (buttonState3 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("opera");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState3 = buttonState3;

  if ((buttonState4 != previousButtonState4)
      && (buttonState4 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("photoshop");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState4 = buttonState4;

  if ((buttonState5 != previousButtonState5)
      && (buttonState5 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("cura");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState5 = buttonState5;

  if ((buttonState6 != previousButtonState6)
      && (buttonState6 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("solid");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState6 = buttonState6;

  if ((buttonState7 != previousButtonState7)
      && (buttonState7 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("eagle");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState7 = buttonState7;

  if ((buttonState8 != previousButtonState8)
      && (buttonState8 == LOW)) {
    Keyboard.write(KEY_LEFT_GUI);
    delay(100);
    Keyboard.println("cut");
    delay(100);
    Keyboard.write(KEY_RETURN);  //ENTER
    delay(200);
  }
  previousButtonState8 = buttonState8;
}