In the "Shortcut" field, tap in the shortcut that'll trigger the full phrase you just entered; again, try a short string of letters that won't be easily confused with a common word.
All set? Tap the "Save" button.
Let's give it a try. Compose a fresh email, type your shortcut, and the phrase you entered should appear as a bubble above the cursor. Tap the space bar, and pop! The phrase will jump into the message, right where your shortcut was.
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