S's

It was very neatly written, and except that "friend" was written "freind" and one of the S's was the wrong way round, the spelling was correct all the way through.

Source: tatoeba (4375204)

Sami had a lisp and he couldn't say his S's right.

Source: tatoeba (7279178)

This sentence employs two a's, two c's, two d's, twenty-eight e's, five f's, three g's, eight h's, eleven i's, three l's, two m's, thirteen n's, nine o's, two p's, five r's, twenty-five s's, twenty-three t's, six v's, ten w's, two x's, five y's, and one z.

Source: tatoeba (11146546)