What sound is made by the suffix ed in these words missed added spelled?

The suffix "-ed" in the words "missed", "added", and "spelled" can be pronounced in two ways:

1. /t/ sound: This occurs when the verb ends in a voiceless consonant like "k", "f", "p", "s", "sh", "ch", or "th" (e.g., walked, skipped, laughed).

2. /d/ sound: This occurs when the verb ends in a vowel or a voiced consonant like "b", "d", "g", "l", "m", "n", "r", "v", "w", or "z" (e.g., played, called, waited).

In the case of "missed", "added", and "spelled", the "-ed" is pronounced with the /t/ sound:

* Missed: /mɪst/

* Added: /ˈædɪd/

* Spelled: /spɛlt/