irch[7], wcir[5], drwi[5],
ghi[7], gid[6], chi[6], ich[6], gir[5], igr[5], irg[5], wig[5], hiw[5], wic[4], diw[4], wid[4], wir[3],
hi[4], ci[3], id[3], iw[2],
