𝐵𝑜̣̂ 𝑐𝑜̂̉ 𝑡𝑟𝑜̀𝑛 𝑑𝑎̀𝑖 𝑡𝑎𝑦 ,𝑞𝑢𝑎̂̀𝑛 𝑑𝑎̀𝑖