Here’s a traditional knitted layette set. It’s the Elizabeth Zimmerman baby sweater and the Lullabye cap and bootees. There should also be a blanket to match. That’ll just be gull stitch with garter stitch borders.
Row 1: k1, k2tog, yo, k1, yo, ssk, k1
Row 2 and every even numbered row: purl
Row 3: k2tog, yo, k3, yo, ssk