apex[14], page[8], peng[8], dang[5], gand[5], gnad[5], nage[5],
pax[13], pan[6], nag[4], eng[4], gen[4], ade[3], dan[3], den[3], end[3],
ex[9], ad[2], da[2], an[2], na[2], ne[2],
