9krbdm alrb blrbd clrbdm dlrb

ybsb zbsbd 0bsbdm 1bsb 2bsbd

n2sbd o2sbdm p2sb q2sbd r2sbdm

cttbdm dttb ettbd fttbdm gttb

1jub 2jubd 3jubdm 4jub 5jubd