bobo[8], borg[8], obco[7], bocz[7], boro[6], robo[6], zorb[6], coro[5],
bob[7], cob[6], bor[5], rob[5], gro[5], ogr[5], gzo[5], oro[3], zoo[3], orz[3],
bo[4], go[4], co[3], or[2], ro[2], oz[2],
