Take a look at the scores yourself. A lot of them aren't difficult at all.
Op. 9 no. 1/no.2, op. 15 no.3, op. 32no.1/no.2, op. 37 op. no. 1/no.2, and op. 48 no. 2.
The three posthumous ones aren't bad either. Go to imslp, look over the scores and pick one. Have fun
