baseline baseline baseline baseline baseline baseline
baseline ${\displaystyle a\,}$ baseline
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baseline baseline baseline baseline baseline baseline
baseline ${\displaystyle A\,}$ baseline
baseline baseline baseline baseline baseline baseline

baseline baseline baseline baseline baseline baseline
baseline ${\displaystyle Y^{2}\,}$ baseline ${\displaystyle Y_{2}\,}$ baseline
baseline baseline baseline baseline baseline baseline

baseline baseline baseline baseline baseline baseline
baseline ${\displaystyle \mathbb {R} _{2))$ baseline ${\displaystyle \mathbb {R} ^{2))$ baseline
baseline baseline baseline baseline baseline baseline