big[7], gib[7], bij[7], jig[7], gik[6], kij[6], bit[6], git[6], gir[5], igr[5], irg[5], ikt[5], kit[5], tik[5], ikr[4], kir[4], itr[4], tir[4], tri[4],
bi[4], ki[3],
