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canh thanh » canh tranh, danh thanh, anh thanh
phu thong » pho thong, phap thong, khau thong
sach thuc » cach thuc, sach thu, sach thue
thuc thai » thuc pham, toc thai, thuc thuc
thu canh » thuc hanh, thu cong, thu ban
thuy anh » thuy linh
anh khoa » doanh khoa, hang khoa
khoa phu » khoa phau, khoa thu, hoa phu
thai cac » thoai cac, tai cac, khai cac
cac khoi » cac thoi, cac khoan, cach thoi
tu sach » thu sach, su sach, te sach
khoi he » khoa he, khoi de, khong he