bistr[8],
pint[6], trip[6], tips[6], psin[5], spin[5], pirs[5],
bit[6], bin[5], ibn[5], bis[5], pit[5], pst[5], nip[4], pin[4], pni[4], psi[4], nit[4], itr[4], tir[4], tri[4], sit[4], inr[3], sir[3],
bi[4], pi[3], ts[3], in[2], ni[2], si[2],
