idos[5], iods[5], sods[5], ossi[5], ross[5], diss[4], riss[4], sirs[4],
ido[4], iod[4], rod[4], roi[4], dos[4], ods[4], sod[4], dir[3], dis[3], sir[3], iss[3],
do[3], od[3], os[3], so[3], si[2],
