bang[7], band[6], dang[5], gand[5], gnad[5], dada[4],
vag[9], van[8], gab[6], pan[6], aba[5], bad[5], ban[5], aga[4], nag[4], dad[3], dan[3],
ab[4], aa[2], ad[2], da[2], an[2], na[2],
