bogu[10], buca[9], cuga[9], boga[8], baco[7], coba[7], obca[7], obco[7],
bug[9], gub[9], buc[8], cug[8], obu[7], cab[6], cob[6], abo[5], boa[5], oba[5], ago[5],
bu[6], gu[6], ba[4], ag[4], bo[4], go[4], au[4], co[3],
