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khoan thanh » hoan thanh, phan thanh, hoang thanh
thanh song » thanh cong, thanh son, thanh long
hoc thong » hoc thuong, hoc trong, hoc hong
sach thu » sach thue, sach thieu, sach tham
thu thuc » thuc thuc, thu thuoc, thue thuc
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoi, dac khoa, cao khoa
khoa hoc » hoa hoc
thu sach » thuat sach, thuoc sach, thu hoach
sach lai » sach bai, sach tai, sach luan
lai cuoc » tai cuc, va cuoc, lai cua
cuoc cac » cuoc cach, duoc cac, cuoi cac
tu sach » su sach, te sach, tu cach