big[7], gib[7], bid[6], gid[6], bit[6], git[6], bin[5], ibn[5], gin[5], dip[5], gir[5], igr[5], irg[5], dit[5], pit[5], dni[4], ind[4], nip[4], pin[4], pni[4], nit[4], itr[4], tir[4], tri[4], inr[3],
bi[4], id[3], pi[3], in[2], ni[2],
