Two-color pattern based on ribbing 2 by 2

This pattern uses dropped stitches, which create some volume. The yarn change will occur every 6 rows. The pattern repeat is 4 stitches and 12 rows.
.
To knit, cast on a number of stitches multiple of 4+2+2 edge stitches and knit 4 rows according to the pattern: .
. 







Row 1, 3: edge, *2 purl, 2 knit*, 2 purl, edge.








Row 2, 4: edge, 2 knit, *2 purl, 2 knit*, edge. . .
.
Now change the yarn and continue knitting from rows 5 to 10: .
.








Row 5: edge, *2 knit, 2 stitches dropped (yarn behind work)*, 2 knit, edge..
. 







Row 6: edge, 2 purl, *2 dropped, yarn in front of work, 2 purl*, edge. .
.







Row 7: edge, knit stitches, edge..
. 







Row 8: edge, 2 purl, *2 knit, 2 purl*, edge 







Row 9: edge, *2 knit, 2 purl*, 2 knit, edge. 







Row 10: edge, 2 purl, *2 knit, 2 purl*, edge . .
.

Change the yarn again and continue knitting from rows 11 to 16: .. .
.








Row 11: edge, *2 dropped (yarn behind work), 2 knit*, 2 dropped (yarn behind work), edge ..








Row 12: edge, 2 dropped (yarn in front of work), *2 purl, 2 dropped (yarn in front of work)*, edge. .








Row 13: edge, knit stitches, edge. .








Row 14: edge, 2 knit, *2 purl, 2 knit*, edge

 







Row 15: edge, *2 purl, 2 knit*, 2 purl, edge.

 







Row 16: edge, 2 knit, *2 purl, 2 knit*, edge
Repeat the pattern from rows 5 to 16.