ysqn zsqn1 0sqn1f 1sqn 2sqn1
njrn1 ojrn1f pjrn qjrn1 rjrn1f
casn1f dasn easn1 fasn1f gasn
10sn 20sn1 30sn1f 40sn 50sn1
qrtn1 rrtn1f srtn trtn1 urtn1f