There are too many on's and oun's and too much ts and DZ in the pronunciation.
It is pronounced somewhat like the c with the cedilla, ç, only more quickly and with greater force—ds or DZ.
In other cases they are pronounced ts, tsh, DZ, DZh respectively.
The Arte (177v) discusses this phenomenon as being characteristic of vowels before d, DZ, and g.
The country code for Algeria.