bog[7], bol[7], lob[7], log[6], bor[6], bug[6], dol[5], gor[5], brr[5], lug[5], rod[4], lud[4], duo[4], gur[4], dur[3],
ob[5], go[4], do[3], od[3], ul[3], du[2], ud[2], ur[2],