8trtc 9trtcl aurt burtc curtcl
xkstcl ykst zkstc 0kstcl 1kst
mbtt nbttc obttcl pbtt qbttc
b2ttc c2ttcl d2tt e2ttc f2ttcl
0sutcl 1sut 2sutc 3sutcl 4sut