bega[8], baca[7], caba[7], bace[7], scab[7], basa[6], saab[6], seba[6], saga[6],
beg[7], cab[6], aga[5], bas[5], sag[5], ges[5], ces[4], asa[3],
ba[4], be[4], ag[4], ce[3], aa[2], as[2], es[2], se[2],
