ch u1ecbch b agrave ch u1ecb h u1ecd
b aacute c s u1ef9 ch u0103n rau 0
em g aacute i zalo n u1ee9ng qu aacute r u1ee7 nhau u0111i nh agrave ngh u1ec9
u0110 u1ecbt v u1ee3 b u1ea1n ch u1ea3y n u01b0 u1edbc