Bottom bracket.
Cranks.
Chainring.
Pedals.
Toeclips and Straps.
Chain.
Rear wheel with fixed hub. (Or spokes, fixed hub, and rim, and rim strip and tube and tire.)
Rear cog.
Lockring for rear cog.
Front wheel (or etc. and quick release)
Bar tape?
Looks like there's a front brake. You'll need pads (probably), cable, brake lever, cable housing.
Seatpost.
Saddle.