pitii[7], pitni[7], pinii[6],
tipi[6], pint[6], trip[6], inii[4],
pit[5], nip[4], pin[4], pni[4], prr[4], nit[4], itr[4], tir[4], tri[4], iii[3], inr[3],
pi[3], ii[2], in[2], ni[2],