bija[8], bajo[8], boja[8], obaj[8], obij[8], boya[7], jiao[6],
baj[7], bij[7], boj[7], job[7], aby[6], boy[6], oby[6], bai[5], abo[5], boa[5], oba[5], boi[5], obi[5],
by[5], ba[4], bi[4], aj[4], ja[4], bo[4], oj[4],
