bonowi[8],
bonio[7],
boni[6], niob[6], oboi[6], bono[6], obon[6], niwo[4], nowi[4], wino[4], woni[4], nowo[4],
bin[5], ibn[5], boi[5], obi[5], bon[5], ino[3], oni[3], ono[3], niw[3], win[3], iwo[3], owi[3], wio[3], won[3], owo[3],
bi[4], bo[4], in[2], ni[2], no[2], on[2], iw[2],
