e3btm f3btmx g3bt h3btm i3btmx

3tctmx 4tct 5tctm 6tctmx 7tct

skdt tkdtm ukdtmx vkdt wkdtm

hbetm ibetmx jbet kbetm lbetmx

61etmx 71et 81etm 91etmx a2et