list of standard abbreviations can be found
Diagonal Bar Pattern
(worked over a multiple of 3 sts plus 1)
Row 1, and all odd-numbered rows: P
Row 2: K1, [YO, sl 1, k2, psso] to
Row 4. K2, [YO, sl 1, k2, psso] to
last 2 sts, k2.
Row 6: K3 [YO, sl 1, k2, psso] to last
Rep rows 1 through 6 for Diagonal Bar Pattern.
Charted Knitting Designs, a Third Treasury
of Knitting Patterns by Barbara G. Walker.