Two or more letters directed to different persons, cannot be sent by mail in one envelope or packet, without subjecting the sender to a fine of ten dollars.
The act of syncopating; the contraction of a word by taking one or more letters or syllables from the middle; syncope.
A Cipher is merely an interlacing or placing together of two or more letters, being in no way dependent for their parts on other of the letters.
A Monogram is a combination of two or more letters, in which one letter forms part of another and cannot be separated from the whole.
A device of any two letters will always be readily found, which should be sufficient to furnish the designer or artisan with a base upon which to build a design of three or more letters.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "more letters" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.