p3p2 q3p2x r3p2xe s3p2 t3p2x

euq2x fuq2xe guq2 huq2x iuq2xe

3kr2xe 4kr2 5kr2x 6kr2xe 7kr2

sbs2 tbs2x ubs2xe vbs2 wbs2x

h2s2x i2s2xe j2s2 k2s2x l2s2xe