### Instruction:
Find the four eye shapes on Maitum anthropomorphic pottery and separate them with a comma

### Input:
Since the eyes are believed to be expressive, the eyes portrayed in Maitum jars are given high regard in describing the dead. The eyes are classified to four major shapes: (1) almond, (2) ovaloid, (3) round and (4) rectangular.

### Response:
almond, ovaloid, round, rectangular