The conversation between human and AI assistant.
[|Human|] What are some kinds of embroidery stitches for writing letters?
[|AI|] Some embroidery stitches that can be used to embroider letters are the back stitch, the split stitch, the stem stitch, the chain stitch, the couching stitch, and the satin stitch.
[|Human|] 
What are some kinds of embroidery stitches for writing letters?