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phan thong » phan thuong, phan hong, phan tong
khoa thong » hoa thong, thoai thong, pho thong
sinh khoa » sinh hoc, sinh hoat, anh khoa
khoa phan » hoa phan, khoa than, khoa phau
sach tam » sach tham, sach tai, sach dao
thi hanh » thi thanh
hanh hoa » thanh hoa, khanh hoa, hang hoa
hoa khoa » khoa khoa, chua khoa, chia khoa
sach tao » sach dao, sach bao, sach tai
tu sach » thu sach, te sach, tu cach
tam thi » ta thi, tam tri, dam thi
su sach » so sach, vu sach
tao hoc » thao hoc, cao hoc, bao hoc