9 day itinerary Albania

hello, where to visit in Albania without a car but wih a public transport? the cities I want to visit:

1. Tirana

2. Tirana- Shkodra

3. Shkodra- Theth

4. Theth to Tirana

5. Tirana-Berat

6.Berat-Vlora

7.Vlora-Saranda

8. Saranda-Tirana *airport

I want to stay 2 days in the mountaisn and like 3 days in the beache, it is already too many destinantion. Which ones would you recoment the most?