I claim the ornamental design for shorts, as shown and described.
FIG. 1 is a front view of shorts, showing my new design; and,
FIG. 2 is a rear view thereof.
The broken line showing in the figures is for illustrative purposes only and forms no part of the claimed design.
The broken lines immediately adjacent the solid lines define part of the boundary of the design, where the line itself forms no part of the claimed design.
The stippled areas in FIGS. 1 and 2 are indicative of a difference in color and/or texture with respect to the non-stippled areas.