6tot1o 7tot 8tot1 9tot1o auot
vkpt wkpt1 xkpt1o ykpt zkpt1
kbqt1 lbqt1o mbqt nbqt1 obqt1o
91qt1o a2qt b2qt1 c2qt1o d2qt
ysrt zsrt1 0srt1o 1srt 2srt1