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The Irish manual alphabet is the manual alphabet used in Irish Sign Language. Compared with other manual alphabets based on the Latin alphabet, it has unusual forms for the letters G, K, L, P, and Q.
Fingerspelling is the representation of the letters of a writing system, and sometimes numeral systems, using only the hands. These manual alphabets have often been used in deaf education and have subsequently been adopted as a distinct part of a number of sign languages. There are about forty manual alphabets around the world. Historically, manual alphabets have had a number of additional applications—including use as ciphers, as mnemonics and in silent religious settings.
G, or g, is the seventh letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is gee, plural gees.
K, or k, is the eleventh letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is kay, plural kays. The letter K usually represents the voiceless velar plosive.
Q, or q, is the seventeenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is pronounced, most commonly spelled cue, but also kew, kue and que.
The Slovene alphabet is an extension of the Latin script used to write Slovene. The standard language uses a Latin alphabet which is a slight modification of the Croatian Gaj's Latin alphabet, consisting of 25 lower- and upper-case letters:
The alphabet for Modern English is a Latin-script alphabet consisting of 26 letters, each having an upper- and lower-case form. The word alphabet is a compound of the first two letters of the Greek alphabet, alpha and beta. The alphabet originated around the 7th century CE to write Old English from Latin script. Since then, letters have been added or removed to give the current letters:
The Polish alphabet is the script of the Polish language, the basis for the Polish system of orthography. It is based on the Latin alphabet but includes certain letters with diacritics: the acute accent ; the overdot ; the tail or ogonek ; and the stroke. ⟨q⟩, ⟨v⟩, and ⟨x⟩, which are used only in foreign words, are usually absent from the Polish alphabet. However, prior to the standardization of the Polish language, ⟨x⟩ was sometimes used in place of ⟨ks⟩.
When used as a diacritic mark, the term dot is usually reserved for the interpunct, or to the glyphs "combining dot above" ( ◌̇ ) and "combining dot below" ( ◌̣ ) which may be combined with some letters of the extended Latin alphabets in use in Central European languages and Vietnamese.
In cryptography, a classical cipher is a type of cipher that was used historically but for the most part, has fallen into disuse. In contrast to modern cryptographic algorithms, most classical ciphers can be practically computed and solved by hand. However, they are also usually very simple to break with modern technology. The term includes the simple systems used since Greek and Roman times, the elaborate Renaissance ciphers, World War II cryptography such as the Enigma machine and beyond.
The American Manual Alphabet (AMA) is a manual alphabet that augments the vocabulary of American Sign Language.
Several manual alphabets in use around the world employ two hands to represent some or all of the letters of an alphabet, usually as a part of a deaf sign language. Two-handed alphabets are less widespread than one-handed manual alphabets. They may be used to represent the Latin alphabet or the Cyrillic alphabet.
The four-square cipher is a manual symmetric encryption technique. It was invented by the French cryptographer Felix Delastelle.
The Two-square cipher, also called double Playfair, is a manual symmetric encryption technique. It was developed to ease the cumbersome nature of the large encryption/decryption matrix used in the four-square cipher while still being slightly stronger than the single-square Playfair cipher.
C, or c, is the third letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is cee, plural cees.
The French manual alphabet is an alphabet used for French Sign Language (LSF), both to distinguish LSF words and to sign French words in LSF.
The braille alphabet used to write Hungarian is based on the international norm for the 27 basic letters of the Latin script. However, the letters for q and z have been replaced, to increase the symmetry of the accented letters of the Hungarian alphabet, which are largely innovative to Hungarian braille.
Scandinavian Braille is a braille alphabet used, with differences in orthography and punctuation, for the languages of the mainland Nordic countries: Danish, Norwegian, Swedish, and Finnish. In a generally reduced form it is used for Greenlandic.
The Portuguese manual alphabet is the manual alphabet used in Portuguese Sign Language. Compared to other manual alphabets based on the Latin alphabet, it has unusual forms for many of its letters.
An Esperanto manual alphabet is included as part of the Signuno project for manually coded Esperanto. Signuno is based on the signs of International Sign, but adapted to the grammatical system of Esperanto.
