/ë/ is inserted as a transition sound between /n/ and /w/.
The resulting /ëwë/ sequence is realized as /u/.
Unstressed /ë/ of the reciprocal suffix is elided.
/ë/ is inserted as a transition sound between /h/ and /m/; it is rounded to /ù/ before /m/.
/ë/ is inserted as a transition sound between /m/ and /n/.
First person plural /-nan/ is realized as /-na/ in final position.