h.g.p.b.a.c.m.t.n 可以组成3个字母的单词？
hgpbacmtn GAP, GAT, HAG, APT, BAG, HAT, MAC, MAG, CAN, CAP, CAT, GAB, GAM, GAN, HAM, HAP, BAM, BAN, BAP, MAN, TAG, TAM,
hgpbacmtn GAP, GAT, HAG, APT, BAG, HAT, MAC, MAG, CAN, CAP, CAT, GAB, GAM, GAN, HAM, HAP, BAM, BAN, BAP, MAN, TAG, TAM,
