bigi[8], jigi[8], irgi[6], ibis[6], idis[5],
big[7], gib[7], bij[7], jig[7], bid[6], gid[6], gir[5], igr[5], irg[5], bis[5], gis[5], dis[4], sir[3],
bi[4], id[3], ii[2], si[2],
