qdc4a rdc4ax sdc4 tdc4a udc4ax
f4c4ax g4c4 h4c4a i4c4ax j4c4
4ud4 5ud4a 6ud4ax 7ud4 8ud4a
tle4a ule4ax vle4 wle4a xle4ax
icf4ax jcf4 kcf4a lcf4ax mcf4