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hoi thuong » hoai thuong, hoc thuong, boi thuong
phu thong » pho thong, phap thong, khau thong
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
sach tri » sach tai, sach truc, sach bai
tri phuc » tri thuc, tri phu, thi phuc
phuc cac » phuc cam, phuc ca, phuc cham
cac khoa » cac khoan, cac khoi, cao khoa
khoa phu » khoa phau, khoa thu, hoa phu
thuc dac » thuoc dac, thuc dan, thuc day
dac khoa » da khoa, dai khoa, dau khoa
khoa hoi » khoan hoi, khoa hoc, khoa doi
tu sach » thu sach, su sach, te sach