Nocturne Op.55 No.2
Many of the Mazurkas
Preludes in A-flat (the Op.28 one and the op.posth. one)
Krakowiak Op.14 (okay, a lot of material from other pieces, but still great in the energy it has)
Cello Sonata, Op.65
Trio, Op.8
The last three are NEVER played.
Phil