dygi[8], gidy[8], gyyz[8], dipy[7], dyzy[7], pyzy[7], pizd[6], zipy[6],
dyg[7], gdy[7], gid[6], gzy[6], zyg[6], dip[5], idy[5], gzi[5], dyz[5], pyz[5], zip[4],
id[3], pi[3],
