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thuoc hoang » thuoc khang, thuoc cong, thuoc dang
hoang thai » hoang thi, hoang hai, hong thai
ban thuoc » dang thuoc, cay thuoc, nam thuoc
hoc thong » hoc thuong, hoc trong, hoc hong
phu thong » pho thong, phap thong, khau thong
sach dai » sach dao, sach bai, sach dat
dai thua » dai thu, dai thuc, dai cua
thua cac » thuat cam, thuan cam, thuat cao
cac khoa » cac khoan, cac khoi, dac khoa
khoa hoc » hoa hoc
sach ban » sach bai, sach han, sach bac
thai phu » thi phu, hai phu, tai phu
vu sach » vu bach, su sach, vu khach