chip[8], irch[7], sich[7], psic[6], trip[6], cist[6], tips[6], pirs[5],
chi[6], ich[6], hip[6], phi[6], hit[6], cip[5], pic[5], his[5], pit[5], pst[5], cis[4], sic[4], psi[4], itr[4], tir[4], tri[4], sit[4], sir[3],
hi[4], ci[3], pi[3], ts[3], si[2],
