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chung hang » chung han, khung hoang, chiung hung
phan thong » phan thuong, phan hong, phan tong
sach thai » sach tham, sac thai, sach tai
thai thuc » thai thuy, thai tuc, tham thuc
khoa phan » hoa phan, khoa than, khoa phau
thi chung » thi nhung, tai chung, thi chang
hang khoa » dung khoa
pho thong » he thong
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa
sach thi » sach thu, sach tai, sach thieu
khoa pho » khoa phu, khoa khoa, khoa phau
so sach » so sanh, bo sach, co sach
tu sach » thu sach, su sach, te sach