Phonological analysis in Swo

As you can see in the accompanying table, there is complementary distribution between one sound and another in Swo.

The conditioning environment is a following vowel that is "close", as is the case of /i/, in the front of the oral cavity, /ɨ/, in the center of the oral cavity, and /u/, in the back of the oral cavity.

A sound followed by such a close vowel must be strident or fricative, while the sound before the open or semi-open vowels is a simple stop.

The allophones of /p/ are [f] and [p].

The allophones of /b/ are [v] and [b].

The allophones of /t/ are [t] and [ts].

The allophones of /d/ are [d] and [dz].

The allophones of /k/ are [kf] and [k].

The allophones of /g/ are [gv] and [g].