ytrk ztrk7 0trk75 1trk 2trk7
nksk7 oksk75 pksk qksk7 rksk75
cbtk75 dbtk ebtk7 fbtk75 gbtk
11tk 21tk7 31tk75 41tk 51tk7
qsuk7 rsuk75 ssuk tsuk7 usuk75