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phan thong » phan thuong, phan hong, phan tong
khoa thong » hoa thong, thoai thong, pho thong
thuc hang » thuc hanh, thu hang, phuc hang
sach nhan » sach nha, sach han, sach ngan
nhan thuc » nhan luc, dan thuc, toan thuc
thuc sinh » thuoc sinh, thu sinh, thuc kinh
sinh khoa » sinh hoc, sinh hoat, anh khoa
khoa phan » hoa phan, khoa than, khoa phau
thu sach » tu sach, thuat sach, thuoc sach
sach tai » sach bai, sach tham, sach dao
tai thuc » thai thuc, tri thuc, dai thuc
hang hoa » hang khoa, thanh hoa, hang va
hoa khoa » khoa khoa, chua khoa, chia khoa