The Oromo language has 24 to 28 consonant phonemes depending on the dialect.
/d/ and /t/ are dental The velar fricative [x] is mainly used in the eastern dialect (Harar) as a phoneme.
A long vowel or a diphthong consists of two morae and can bear two tones.
Only one high tone occurs per word and this must be on the final or penultimate mora.
When a vowel occurs in word-initial position, a glottal stop ([ʔ]) is inserted before it.