Add top-right-serifed variants for Greek Lower Kappa (κ), for ss15.
#481
| Job | Run time |
|---|---|
| 1h 39m 7s | |
| 1h 46m 25s | |
| 50m 20s | |
| 54m 38s | |
| 59m 43s | |
| 6h 10m 13s |