Shown with a cast-on count of 5 stitches.  

• Row 1 (RS): Kfb, yo, k3, kfb (8 sts).
• Row 2: Kfb, yo, k6, kfb (11 sts).
• Row 3: Kfb, k9, kfb (13 sts).
• Row 4: Kfb, k11, kfb (15 sts).
• Row 5: Kfb, yo, k13, kfb (18 sts).
• Row 6: Kfb, yo, k16, kfb (21 sts).
• Row 7: Kfb, k19, kfb (23 sts).
• Row 8: Kfb, k21, kfb (25 sts).
• Row 9: Kfb, yo, k23, kfb (28 sts).
• Row 10: Kfb, yo, k26, kfb (31 sts).
• Row 11: Kfb, k29, kfb (33 sts).
• Row 13: Kfb, k31, kfb (35 sts).