av1s bv1se cv1sei dv1s ev1se

zl2se 0l2sei 1l2s 2l2se 3l2sei

oc3sei pc3s qc3se rc3sei sc3s

d33s e33se f33sei g33s h33se

2t4se 3t4sei 4t4s 5t4se 6t4sei