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
Letter of the Six Letter of the Six The Letter of the Six (Romanian: "Scrisoarea celor șase") was an open letter signed in March 1989 by Silviu Brucan, together with five other Romanian Communist Party dignitaries (Gheorghe Apostol, Alexandru Bârlădeanu, Grigore Răceanu, Corneliu Mănescu, and Constantin Pîrvulescu). The six communist politicians met and discussed the letter in parks in Bucharest, in order to prevent the Securitate from hearing the details. They were however, not isolated, but they were followed and had contacts with Soviet, American, British and Romanian intelligence officers and diplomats. The initiative came from Brucan, who discussed the plan with Apostol and