boj[7], job[7], bod[6], jod[6], bol[6], lob[6], jol[6], dol[5], bor[5], rob[5], jor[5], brr[5], odr[4], ord[4], rod[4], lor[4], rol[4], drr[4],
bo[4], oj[4], do[3], od[3], or[2], ro[2],
