ztcm2 0tcm2m 1tcm 2tcm2 3tcm2m
okdm2m pkdm qkdm2 rkdm2m skdm
dbem ebem2 fbem2m gbem hbem2
21em2 31em2m 41em 51em2 61em2m
rsfm2m ssfm tsfm2 usfm2m vsfm