Shown with a cast-on count of 13 stitches.  

• Row 1 (RS): Sl1 wyib, k3, yo, k5, yo, k2tog, yo, k2 (15 sts).
• Rows 2, 4, 6, 8, 10, 12, and 14: K2, purl to last 2 sts, k2.
• Row 3: Sl1 wyib, k4, sl1-k2tog-psso, k2, [yo, k2tog] twice, k1 (13 sts).
• Row 5: Sl1 wyib, k3, ssk, k2, [yo, k2tog] twice, k1 (12 sts).
• Row 7: Sl1 wyib, k2, ssk, k2, [yo, k2tog] twice, k1 (11 sts).
• Row 9: Sl1 wyib, k1, ssk, k2, [yo, k2tog] twice, k1 (10 sts).
• Row 11: K1, ssk, k2, yo, k1, yo, k2tog, yo, k2 (11 sts).
• Row 13: Sl1 wyib, [k3, yo] twice, k2tog, yo, k2 (13 sts).
• Repeat rows 1-14.