Letter frequency ER IN ON AT ND ST ES EN OF TE ED OR TI HI AS TO", and the most common doubled letters as "LL EE SS OO TT FF RR NN PP CC". Also, to note that different dialects of a language will also affect a letter's frequency. For example, an author in the United States would produce something in which the letter 'z' is more common than an author in the United Kingdom writing on the same topic: words like "analyze", "apologize", and "recognize" contain the letter in American English, whereas the same words are spelled "analyse", "apologise", and
Three-letter acronym usefulness of TLAs typically comes from how it is quicker to say the acronym instead of than the phrase they represent, however saying 'WWW' in English requires three times as many syllables than the phrase it is meant to abbreviate (World Wide Web). Consequently, "www" is sometimes abbreviated as "dubdubdub" in speech. Three-letter acronym A three-letter acronym (TLA), or three-letter abbreviation, is an abbreviation, specifically an acronym, alphabetism, or initialism, consisting of three letters. These are usually the initial letters of the words of the phrase abbreviated, and are written in capital letters (upper case); three-letter abbreviations such as "etc."