tigr[7], pigw[7], irgi[6], tipi[6], trip[6], wigi[6],
git[6], gir[5], igr[5], irg[5], pit[5], wig[5], itr[4], tir[4], tri[4], piw[4], iii[3], wii[3], wir[3],
pi[3], ii[2], iw[2],
