29d2o 19d2 09d2oh z9d2o y9d2
djd2 cjd2oh bjd2o ajd2 9id2oh
osc2oh nsc2o msc2 lsc2oh ksc2o
z1b2o y1b2 x1b2oh w1b2o v1b2
abb2 9ab2oh 8ab2o 7ab2 6ab2oh