gum7 hum72 ium725 jum7 kum72

5kn72 6kn725 7kn7 8kn72 9kn725

ubo725 vbo7 wbo72 xbo725 ybo7

j2o7 k2o72 l2o725 m2o7 n2o72

8sp72 9sp725 atp7 btp72 ctp725