chip[8], chin[7], nich[7], irch[7], pint[6], trip[6],
chi[6], ich[6], hip[6], phi[6], hit[6], cip[5], pic[5], pit[5], cni[4], nic[4], nip[4], pin[4], pni[4], prr[4], nit[4], itr[4], tir[4], tri[4], inr[3],
hi[4], ci[3], pi[3], in[2], ni[2],
