ch u1ecb d acirc u l u1ed3n to d acirc m u0111 atilde ng
Ng u1ecdc 2k1 b u1ecb s u1ebfp c u1eb7c to u0111 u1ee5 sung s u01b0 u1edbng
u0110 u1ecbt ch u1ecb d acirc u s u01b0 u1edbng l u1eafm
u0111 u1ecbt nhau trong ph ograve ng tr u1ecd