diod[6], dior[5], idis[5], diso[5], rosi[4],
doi[4], ido[4], odr[4], ord[4], rod[4], dis[4], roi[3], osi[3], sio[3], soi[3], sir[3], ros[3],
id[3], do[3], od[3], ii[2], or[2], ro[2], si[2], os[2],
