piani[6], pinia[6], napoi[6], opina[6], piano[6], piona[6], pinio[6],
nipa[5], pani[5], pian[5], pina[5], pnia[5], opia[5], napo[5], nipo[5], pion[5], inia[4], inio[4],
pai[4], pia[4], nap[4], pan[4], nip[4], pin[4], pni[4], poi[4], ani[3], ano[3], ona[3], ino[3], oni[3],
pa[3], pi[3], op[3], po[3], ii[2], na[2], in[2], ni[2], no[2], on[2],
