niby[7], bony[7], boni[6], niob[6], oboi[6], bono[6], obon[6], yoni[5], inio[4],
boy[6], oby[6], bin[5], ibn[5], boi[5], obi[5], bon[5], yin[4], ino[3], oni[3], ono[3],
by[5], bi[4], bo[4], ny[3], ii[2], in[2], ni[2], no[2], on[2],
