bega[8], beka[7], kabe[7], kega[7], deka[6],
beg[7], bad[6], dba[6], dag[6], gad[6], bak[6], bek[6], keg[6], dek[5],
ba[4], be[4], ag[4], ad[3], da[3], de[3], ka[3],
