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thuc thanh » thuoc thanh, thuc hanh, phuc thanh
thanh khoa » thanh hoa, thanh pho, hang khoa
khoa thong » hoa thong, thoai thong, pho thong
hoach tri » hoach toi, hoach hoi, hoach thu
khoa khoa » hoa khoa, khuan khoa, khoa hoc
sach thai » sach tham, sac thai, sach tai
thai thuc » thai thuy, thai tuc, tham thuc
khoan phu » khoa phu, khoan phai, khoa thu
phu thong » pho thong, phap thong, khau thong
tri thuc » tri tue
thuc cac » thuc cach, tuc cac, phuc cac
tu sach » thu sach, su sach, te sach