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phan thong » phan thuong, phan hong, phan tong
bach khoa » anh khoa
phu thong » pho thong, phap thong, khau thong
sach tien » sach tren, sach thieu
tien thuc » trien thuc, kien thuc, bien thuc
sach tri » sach tai, sach tren, sach truc
tue bach » truc bach, thi bach, vu bach
khoa phu » khoa phau, khoa thu, hoa phu
thuc dai » thuc dan, thuc day, thuc tai
hoi phan » phoi phan, hoc phan, hoa phan
su sach » so sach, vu sach
bo sach » co sach, hoc sach
dai hoi » dai hoc, dai hai, dai moi