begu[10], bogu[10], buca[9], buce[9], cuga[9], bega[8], boga[8], bace[7], baco[7], coba[7], obca[7], obce[7],
bug[9], gub[9], buc[8], cug[8], beg[7], obu[7], cab[6], cob[6], ecu[6], abo[5], boa[5], oba[5], ago[5], ego[5],
bu[6], gu[6], ba[4], be[4], ag[4], bo[4], go[4], au[4], ce[3], co[3], eo[2],
