Knitted in a multiple of 7 sts and 6-row repeat.
Row 1 (Right side):  * K4, yo, k3; repeat * to end.
Row 2 and wrong side rows: Purl.
Row 3: * K2, k2tog, yo, k1, yo, ssk, k1; repeat * to end.
Row 5: * K1, k2tog, yo, sl 1-k2-psso, yo, skpo; repeat * to end.
Row 6: Purl

Knitting abbreviations:
Knit: K  |  Purl: P  |  Yarn over: Yo  |  Knit 2 sts together: K2tog  |  Slip slip knit: Ssk.
Slip stitch as if to knit, knit 2, pass slipped stitch over: Sl 1 - k2 - psso.