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phan thong » phan thuong, phan hong, phan tong
khoa thong » hoa thong, thoai thong, pho thong
truc hanh » thuc hanh, tuc hanh, thuc thanh
phuc hang » phuc thanh, phuc khanh, phuc khong
hang khoa » dung khoa
khoa phan » hoa phan, khoa than, khoa phau
sach tai » sach tham, sach dao, sach xa
tai truc » dai truc, thi truc, tai trung
hanh cua » manh cua, hang cua, hanh sua
cua khoa » chua khoa, sua khoa, qua khoa
sach bai » sach dao, cac bai, sach xa
bai phuc » ban phuc, bai thuoc, bai hoc
tu sach » thu sach, su sach, te sach