boju[10], obuj[10], boku[9], juko[9], ojku[9], okuj[9],
buk[8], kub[8], juk[8], kuj[8], boj[7], job[7], obu[7], bok[6], oku[6],
bu[6], ku[5], bo[4], oj[4], ko[3], ok[3],