boni[6], niob[6], oboi[6], bono[6], obon[6], inni[4], inio[4], nono[4],
bin[5], ibn[5], boi[5], obi[5], bon[5], ino[3], oni[3], non[3], ono[3],
bi[4], bo[4], ii[2], in[2], ni[2], no[2], on[2],
