Kha represents the voiceless uvular fricative in Ossetian. Phonologically, Egyptian contrasted labial, alveolar, palatal, velar, uvular, pharyngeal, and glottal consonants. Approximant, voiceless fricative, tapped and trilled uvular pronunciations occur occasionally. This may be glottal , pharyngeal , uvular , or velar . The velar/uvular fricatives are never fronted in such a way. Sometimes, a pharyngeal approximant develops from a uvular approximant. Two notable variants occur additionally&colon; one sibilant and the other velar or uvular. The literature also describes a contrast between velar and uvular rear articulations for some languages. However, they may have instead been uvular and or velar fricatives and . The uvular fricatives and are commonly spelled and . In onsets, it is pronounced as a uvular approximant. This suggests that this sound is post-velar and not quite uvular. Ticuna has no lateral or uvular consonants. In the southern varieties, which use a uvular , retroflex realizations do not occur. Outside of these uvular rhotic core areas, the alveolar trill is common.