niani[5], anion[5],
inia[4], inna[4], inni[4], inio[4], anno[4], nona[4], nono[4],
ani[3], ano[3], ona[3], ino[3], oni[3], non[3], ono[3],
ii[2], na[2], in[2], ni[2], no[2], on[2],
