efeb[10], bega[8], beka[7], kabe[7], kega[7], geek[7],
agf[9], fag[9], gaf[9], efa[7], fee[7], beg[7], bak[6], bek[6], keg[6], bee[5],
fa[6], ef[6], fe[6], ba[4], be[4], ag[4], ka[3], ee[2],