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Use base consonants only
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Labial
Coronal
Dorsal
Radical
Laryngeal
Bilabial
Labio-dental
Dental
Alveolar
Palato-alveolar
Retroflex
Palatal
Velar
Uvular
Pharyngeal
Epi-glottal
Glottal
Plosive
 p b         *t *d             k k͡p ɡ ɡ͡b    
 
 
 
 
  
 
Implosives
   ɓ       *ɗ                        
 
 
 
 
 
 
Nasal
   m           *n *nʷ           ɲ        
 
 
 
 
 
 
Trill
                            
 
 
    
 
 
    
 
 
Tap, Flap
                                                
Lateral flap
 
 
 
 
                    
 
 
    
 
 
 
 
 
 
R-sounds
               *R                    
 
 
 
 
 
 
Fricative
   β f v       *z               ɣ                
Sibilant fricatives
             *s                      
 
 
 
 
 
 
Lateral fricative
 
 
 
 
                            
 
 
 
 
 
 
Approximant
                           j   w                
Lateral approximant
 
 
 
 
       *l                    
 
 
 
 
 
 
 
Front
Near-front
Central
Near-back
Back
 
Close
Near-close
Close-mid
Mid
Open-mid
Near-open
Open
Selected languages: Ogbia
UPSID number: 4124
Alternate name(s): N/A
Classification: Niger-Kordofanian, Cross River
The languages has 34 segments
Frequency index: N/A
Sounds: [k͡p] [ɡ͡b] [p] [b] [*t] [*d] [k] [ɡ] [ɓ] [*ɗ] [*s] [*z] [β] [f] [v] [ɣ] [*R] [*l] [w] [j] [m] [*nʷ] [*n] [ɲ] [ɪ] [i] [ʊ] [u] [e] [o] [ɛ] [ɔ] [ɐ] [ä]
Comments:

Ogbia is spoken in the Rivers State, Nigeria.
The language has two level tones. Vowel harmony requires
all words to contain vowels from the 'raised' set
(i,e,o,u, and the raised low vowel 4) or from the
'lowered' set (the remainder). The palatal and labialized
dental/alveolar nasals surface as nasalization of the
vowel when followed by high front and back vowels
respectively.
Sources:

Williamson, K. 1972. Assimilation in Ogbia. Research
Notes 5/2-3: 1-5. Dept. of Linguistics and Nigerian
Languages, University of Ibadan.

Williamson, K. 1970. Reading and Writing Ogbia. Rivers
Readers Project, Institute of African Studies, University
of Ibadan.