awqn bwqn1 cwqn11 dwqn ewqn1

zmrn1 0mrn11 1mrn 2mrn1 3mrn11

odsn11 pdsn qdsn1 rdsn11 sdsn

d4sn e4sn1 f4sn11 g4sn h4sn1

2utn1 3utn11 4utn 5utn1 6utn11