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phan thong » phan thuong, phan hong, phan tong
tren trinh » tien trinh, trang trinh, tra trinh
thoi tieng » thoai tieng, thi tieng, hoc tieng
tieng hanh » tieng anh, tieng han, tien hanh
than thong » than thuong, toan thong, tran thong
sach tren » sach tien, sach tranh
trinh cac » trinh cau, trinh chat, trinh chao
khoa phan » hoa phan, khoa phau, khoan phai
cach thoi » cac thoi, cach thuc, cach noi
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa than » khoa luan, hoa thai, hoa tan
cac khoa » cac khoan, cac khoi, dac khoa
su sach » so sach, vu sach
tu cach » tu cac