bog[7], bol[7], lob[7], log[6], bot[6], tob[6], bug[6], dol[5], lot[5], lug[5], tod[4], lud[4], duo[4], gut[4], out[4],
ob[5], go[4], do[3], od[3], ul[3], du[2], ud[2], tu[2],