rr0xy4 sr0x tr0xy ur0xy4 vr0x

gi1x hi1xy ii1xy4 ji1x ki1xy

581xy 681xy4 781x 881xy 981xy4

uz2xy4 vz2x wz2xy xz2xy4 yz2x

jq3x kq3xy lq3xy4 mq3x nq3xy