In the Arabic alphabet, historically a cursive derived from the Nabataean alphabet, most letters' shapes depend on whether they are followed (word-initial), preceded (word-final) or both (medial) by other letters.
Greek alphabet | Arabic alphabet | Latin alphabet | Thai alphabet | International Phonetic Alphabet | Serbian Cyrillic alphabet | NATO phonetic alphabet | Russian alphabet | Armenian alphabet | Albanian alphabet | Somali alphabet | Hebrew alphabet | English alphabet | Spelling alphabet | phonetic alphabet | Initial Teaching Alphabet | Georgian alphabet | Turkish alphabet | Syriac alphabet | Macedonian alphabet | Gothic alphabet | Early Cyrillic alphabet | Coptic alphabet | Alphabet St. | Yugoslav manual alphabet | Tocharian alphabet | The final form of Braille's alphabet, according to Henri (1952). The decade diacritics are listed at left, and the supplementary letters are assigned to the appropriate decade at right. Characters are derived by combining the diacritic on the left with the basic letters at top. "(1)" indicates markers for musical and mathematical notation. Parentheses and quotation marks follow English Braille | The Alphabet Killer | Swedish alphabet | Sinhala alphabet |