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trung binh » trong binh, thuong binh, tran binh
truoc cang » truoc cong, truoc bang, truoc cach
phan thong » phan thuong, phan hong, phan tong
binh khoa » sinh khoa, dinh khoa, benh khoa
hoc thong » hoc thuong, hoc trong, hoc hong
nuoc sach » nguoi sach, hoc sach, cuoc cach
thi truoc » thi truc, tho truoc, thi truong
sach tai » sach bai, sach tham, sach dao
khoa hoc » hoa hoc
sach thi » sach thu, sach thieu, sach tham
cang hoa » hang hoa, cong hoa, nang hoa
hoa phan » hoa dan, co phan
tu sach » thu sach, su sach, te sach