bistr[8],
bing[8], tigr[7], ring[6],
big[7], gib[7], bit[6], git[6], bin[5], ibn[5], gin[5], gir[5], igr[5], irg[5], bis[5], gis[5], nit[4], itr[4], tir[4], tri[4], sit[4], inr[3], sir[3],
bi[4], ts[3], in[2], ni[2], si[2],
