Shown with a cast-on count of 8 stitches.  

• Row 1 (RS): *K2, yo, k2, repeat from * (multiple of 5 sts).
• Rows 2, 4, 6, 8, and 10: Purl.
• Row 3: *K2tog, yo, k1, yo, k2tog, repeat from *.
• Row 5: *K2tog, k1, k2tog, repeat from * (multiple of 3 sts).
• Row 7: *[K1, yo] twice, k1, repeat from * (multiple of 5 sts).
• Row 9: *K1, yo, sl1-k2tog-psso, k1, repeat from * (multiple of 4 sts).