pici[6], psic[6], tipi[6], trip[6], cist[6], tips[6], cisi[5], pirs[5],
cip[5], pic[5], pit[5], pst[5], cis[4], sic[4], psi[4], itr[4], tir[4], tri[4], sit[4], sir[3],
ci[3], pi[3], ts[3], ii[2], si[2],
