a ascii alphabets derived from the latin ancient rome b binary numeral system braille c central college close-mid front unrounded vowel cryptography czech language d danish language data compression diacritic diphthong dutch language eb ec ee ef eg eh ei ej ek em en eo eq er es et etaoin shrdlu ev ew ex ey ez ed eh el english language epsilon ernest vincent wright estimated sign etruria etymology euro sign f flag semaphore french language g georges perec german language great vowel shift greek alphabet h html history of the latin alphabet hungarian language i international maritime signal flags j k l latin alphabet latin characters in unicode lipogram list of latin letters lower case m monophthong morse code n nato phonetic alphabet norwegian language numeric character reference o open-mid front unrounded vowel p palaeography punctuation q r roman numerals s semitic silent e spanish language swedish language t u ukrainian ye unicode v vowel w wikimedia commons wiktionary x xml y z