1. First Phrase: Use the left hand to press the D key, and then the right hand to press the A key.
2. Second Phrase: Same as the first phrase, but then use the left hand to press the S key, and the right hand to press the D key.
3. Third Phrase: Same fingering as the first phrase, but play F key on the left hand and the E key on the right hand.
4. Fourth Phrase: Use the same fingering as the first phrase, but place the left hand on the G key and the right hand on the F# key.