The Default letters; I J k 9 in each font are recommended for Users.
Default letters are different depending whether the font is for children or adults.
For different teaching preferences, many letters can be replaced with an Alternative if desired.

Please note: the application using the fonts (such as MS-Word) must be OpenType feature 'savvy' to take advantage of the Alternatives built into the fonts. The feature is known as 'Stylistic Sets'.

See OpenType 'feature sets' page for instructions on how to activate the various Alternative letters.