bega[8], biga[8], giba[8], begi[8], bieg[8], gaye[7],
beg[7], big[7], gib[7], aby[6], gay[6], bee[5], bai[5], agi[5], gai[5], gie[5],
by[5], ba[4], be[4], ag[4], bi[4], ee[2],
