pinyin[8],
niuni[7],
puny[8], pinu[7], pniu[7], unii[6], nipy[6], piny[6], inny[5], inni[4],
piu[6], pun[6], nip[4], pin[4], pni[4], yin[4],
nu[4], pi[3], ny[3], ii[2], in[2], ni[2],