Neapolitan language
Ë, ë (e-diaeresis) is a letter in the Albanian, Kashubian, Emilian-Romagnol, Ladin, and Lenape alphabets. As a variant of the letter "e", it also appears in Acehnese, Afrikaans, Breton, Dutch, English, Filipino, French, Luxembourgish, the Abruzzese dialect of the Neapolitan language, and the Ascolano dialect. The letter is also used in Quenya, Seneca, Taiwanese Hokkien, Turoyo and Uyghur when written in Latin script.