[lcnmrn]

There are 28 letters. With 3 initial same words you can cover up to 53.5% of the alphabet. With 4 initial same words you can cover up to 71.4%. There are only 5 vowels A, E, I, O and U which can be covered with the first two words. You can even add Y in the first two words played.

[dsr_]

Wordle only uses 26 of those letters.