Shown with a cast-on count of 45 stitches.  

• Row 1 (RS): *K1, p1, k1, p1, k1, k5, repeat from * to last 5 sts, k1, p1, k1, p1, k1.
• Rows 2, 4, 6, 8, and 10: *K1, p1, k1, p1, k1, p5, repeat from * to last 5 sts, k1, p1, k1, p1, k1.
• Row 3: [K1, p1, k1, p1, k1, yo, ssk, k3] twice, [k1, p1, k1, p1, k4, k2tog, yo] twice, k1, p1, k1, p1, k1.
• Row 5: [K1, p1, k1, p1, k2, yo, ssk, k2] twice, [k1, p1, k1, p1, k3, k2tog, yo, k1] twice, k1, p1, k1, p1, k1.
• Row 7: [K1, p1, k1, p1, k3, yo, ssk, k1] twice, [k1, p1, k1, p1, k2, k2tog, yo, k2] twice, k1, p1, k1, p1, k1.
• Row 9: [K1, p1, k1, p1, k4, yo, ssk] twice, [k1, p1, k1, p1, k1, k2tog, yo, k3] twice, k1, p1, k1, p1, k1.
• Repeat rows 3-10.