bigo[8], bogi[8], boki[7], kogi[7], kobo[7], obok[7], kogo[7], oboi[6],
big[7], gib[7], gik[6], bok[6], kog[6], boi[5], obi[5], goi[5], ogi[5], kio[4], koi[4], oko[4],
bi[4], bo[4], go[4], ki[3], ko[3], ok[3],
