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hoi thuong » hoai thuong, hoc thuong, boi thuong
pho thong » he thong
nuoc sach » nguoi sach, hoc sach, cuoc cach
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
sach tri » sach tai, sach truc, sach bai
cao khoa » lao khoa, bao khoa, cao kha
khoa pho » khoa phu, khoa khoa, khoa phau
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
khoa hoi » khoan hoi, khoa hoc, khoa doi
tu sach » thu sach, su sach, te sach
tri phu » thi phu, tri thuc, tri phan
phu cao » phu can, phung cao, phuc cam