chip[8], irch[7], trip[6], wcir[5],
chi[6], ich[6], hip[6], phi[6], hit[6], cip[5], pic[5], pit[5], hiw[5], prr[4], itr[4], tir[4], tri[4], wic[4], piw[4], wir[3], wrr[3],
hi[4], ci[3], pi[3], iw[2],
