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hanh trinh » canh tranh, hanh chinh
trinh thuc » trinh tu, trinh thi
khoa thon » khoa than, hoa thon, khoa thuoc
khoa khoa » hoa khoa, khuan khoa, khoa hoc
hoa thong » hoa trong, hoa khong, hoa thon
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
thu hanh » thuc hanh, thu thanh, thuy hanh
tu sach » thu sach, su sach, te sach
cac thi » cac thoi, cau thi, can thi
thi hoa » thi hoan, thi ha, thi hong