bega[8], byka[8], beka[7], kabe[7], kega[7], geek[7], gaye[7],
beg[7], byk[7], bak[6], bek[6], keg[6], aby[6], gay[6], bee[5],
by[5], ba[4], be[4], ag[4], ka[3], ee[2],
