The ornamental design for shorts, as shown and described.
FIG. 1 is a left rear perspective view of shorts showing my new design;
FIG. 2 is a right rear perspective view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a left side view thereof.
The broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The unshaded regions within or adjacent to the shaded area form no part of the claimed design. The broken lines showing the remainder of the shorts are for environmental purposes only and form no part of the claimed design. The contrast shading represents a contrast in appearance only and does not represent any particular color, material, texture or finish.