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thoai thong » thoai trong, toan thong, thoai tieng
thuc thanh » thuoc thanh, thuc hanh, phuc thanh
ban thoai » ban thai, ban thoi, van thoai
thanh hoa » thanh pho
pho thong » he thong
sach tri » sach tai, sach tren, sach truc
sach thi » sach thu, sach tai, sach thieu
thi thuc » thai thuc, thi thu, thi thuy
tu sach » thu sach, su sach, te sach
tri thu » tri thuc, thi thu, tri phu
thu ban » thu hang
bo sach » co sach, hoc sach
hoa pho » hoc pho, hoa phi, hoa cho