bing[8], gips[7], ring[6], psin[5], spin[5], pirs[5],
big[7], gib[7], bin[5], ibn[5], gin[5], gir[5], igr[5], irg[5], bis[5], gis[5], nip[4], pin[4], pni[4], psi[4], inr[3], sir[3],
bi[4], pi[3], in[2], ni[2], si[2],
