$$\begin{array}{ccc}& \mathrm{\text{Stetching in base}}& \mathrm{\text{Stretching in script}}\\ \mathrm{\text{no mrows}}& \stackrel{\mathrm{\text{maps to}}}{\to }& \overrightarrow{\mathrm{\text{maps to}}}\\ \mathrm{\text{all in row}}& \stackrel{\mathrm{\text{maps to}}}{\to }& \overrightarrow{\mathrm{\text{maps to}}}\\ \mathrm{\text{op in row}}& \stackrel{\mathrm{\text{maps to}}}{\to }& \overrightarrow{\mathrm{\text{maps to}}}\\ \mathrm{\text{text in row}}& \stackrel{\mathrm{\text{maps to}}}{\to }& \overrightarrow{\mathrm{\text{maps to}}}\end{array}$$