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thuc thanh » thuoc thanh, thuc hanh, phuc thanh
khoa thong » hoa thong, thoai thong, khoi khong
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
pho thong » he thong
sach tham » sach nha
tham thuc » nham thuc, pham thuc, tam thuc
thanh chi » thanh cha, thanh chu, thanh nghi
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
khoa pho » khoa phu, khoa khoa, khoa phau
hoc sach » hoc sinh, hoc cac, hoc anh
chi khoa » nhi khoa, chua khoa, thai khoa
su sach » so sach, vu sach