a ascii afaka script alphabet alphabets derived from the latin arabic alphabet ayin b binary numeral system braille c close-mid back rounded vowel d diacritic diphthong e emoticon english language etruscan language f flag semaphore g greek alphabet h html history of the latin alphabet i international maritime signal flags j k l latin latin alphabet latin characters in unicode list of latin letters lower case m morse code n nato phonetic alphabet numeric character reference oa ob oc od of og oj ok ol oo op os ot ou ov ow oa ob oe og oh oi ol chiki script omega omicron on open back rounded vowel ot ox oy oz p palaeography punctuation q r received pronunciation roman numerals s t u unicode v voiced pharyngeal fricative w wikimedia commons wiktionary x xml y z