chip[8], irch[7], wpij[7], rwij[6], wcir[5], drwi[5],
chi[6], ich[6], hip[6], phi[6], pij[6], cip[5], pic[5], dip[5], hiw[5], wij[5], wic[4], diw[4], wid[4], piw[4], wir[3],
hi[4], ci[3], id[3], pi[3], iw[2],
