ysqk zsqk2 0sqk2b 1sqk 2sqk2

njrk2 ojrk2b pjrk qjrk2 rjrk2b

cask2b dask eask2 fask2b gask

10sk 20sk2 30sk2b 40sk 50sk2

qrtk2 rrtk2b srtk trtk2 urtk2b