BOTTOM, STRANGE MESONS ($\mathit B$ = $\pm1$, $\mathit S$ = $\mp{}$1)

${{\mathit B}_{{{s}}}^{0}}$ = ${\mathit {\mathit s}}$ ${\mathit {\overline{\mathit b}}}$, ${{\overline{\mathit B}}_{{{s}}}^{0}}$ = ${\mathit {\overline{\mathit s}}}$ ${\mathit {\mathit b}}$,
similarly for ${{\mathit B}_{{{s}}}^{*}}$'s