piana[6], piani[6], pinia[6],
napa[5], pana[5], nipa[5], pani[5], pian[5], pina[5], pnia[5], inia[4],
pai[4], pia[4], nap[4], pan[4], nip[4], pin[4], pni[4], ana[3], ani[3],
pa[3], pi[3], aa[2], ii[2], na[2], in[2], ni[2],
