Some varieties of Venetian also distinguish an ordinary vs. a weakened or lenited ("evanescent") , which in some orthographic norms is indicated with the letter ; in more conservative dialects, however, both and are merged as ordinary . In those dialects that have both types, the precise phonetic realization of depends both on its phonological environment and on the dialect of the speaker. Typical realizations in the region of Venice include a voiced velar approximant or glide (usually described as nearly like an "e" and so often spelled as ), when is adjacent (only) to back vowels (), vs. a null realization when is adjacent to a front vowel ().