Swatch photo shows slip sts/wrap worked as follows: sl2 wyif, return slipped sts to LN, bring yarn around needle to wrap sts and slip them to RN. My notation for this is (sl2 wyif/wrap).
Shown with a cast-on count of 19 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats
Swatch photo uploaded by Emex