From an autosegmental point of view, the phoneme in Madrid is defined only by its "voiceless" and "fricative" features. Thus, the point of articulation is not defined and is determined from the sounds following it in the word or sentence. In Madrid, the following realizations are found: > and > . In parts of southern Spain, the only feature defined for appears to be "voiceless"; it may lose its oral articulation entirely to become or even a geminate with the following consonant ( or from 'same'). In Eastern Andalusian and Murcian Spanish, word-final , and (phonetically ) regularly weaken, and the preceding vowel is lowered and lengthened: