Karelian alphabet are from the ISO basic Latin alphabet, five are derived from basic Latin letters by the addition of diacritical marks, and the final character is the apostrophe, which signifies palatalization of the preceding sound. The entire range of sounds of native Karelian words is intended to be represented by this set of characters. This unified alphabet was approved in 2007 as a replacement for the separate Olonets Karelian and Karelian Proper alphabets. The letters Ä and Ö are vowels which, unlike the German umlauts, are considered to be distinct and are alphabetized separately from the corresponding vowels without the umlauts.
English alphabet however, have a number of digraphs. The alphabet's current form originated from Latin script about the 7th century. Since then, various letters have been added, or removed, to give the current Modern English alphabet of 26 letters, each having an upper- and lower-case form: The alphabet was derived from an original series of sixteen characters, that emerged as a way to record spoken words. The English language itself was first written in the Anglo-Saxon futhorc runic alphabet, in use from the 5th century. This alphabet was brought to what is now England, along with the proto-form of the language itself,