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khoa thong » hoa thong, thoai thong, pho thong
phan thong » phan thuong, phan hong, phan tong
sach tren » sach tien, sach tranh
tren truc » tren thuc, trang truc, trung truc
truc hang » truc trang, truoc bang, truoc cang
hang khoa » dung khoa
khoa khoa » hoa khoa, khuan khoa, khoa hoc
khoa phan » hoa phan, khoa than, khoa phau
hoc sach » hoc sinh, hoc cac, hoc anh
sach thi » sach thu, sach tai, sach thieu
thi tran » thi trang, thi thanh, thi lan
tran tan » tran tuan, tran van, tran thanh
tan khoa » toan khoa, tran khoa, san khoa
tu sach » thu sach, su sach, te sach