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cham khoan » pham khoa, cac khoan, nham hoan
khoa thong » hoa thong, thoai thong, pho thong
tai thoai » than thoai, giai thoai, tai khoa
thoai cac » tai cac, thong cac, tho cac
khoa khoa » hoa khoa, khuan khoa, khoa hoc
phuc cham » phuc cam, phuc chau, thuc pham
khoan hoc » khoa hoc, khoan hoi, khoan nhoi
hoc thong » hoc thuong, hoc trong, hoc hong
sach tai » sach tham, sach dao, sach xa
cac khoa » cac khoan, cac khoi, dac khoa
sach bai » sach dao, cac bai, sach xa
bai phuc » ban phuc, bai thuoc, bai hoc
tu sach » thu sach, su sach, te sach