Spell out the spelling of ophthalmologist.
O-P-H-T-H-A-L-M-O-L-O-G-I-S-T.
Complete the following task based on the instruction and optional input provided.### Instruction:
Spell out the spelling of ophthalmologist.

### Output:
O-P-H-T-H-A-L-M-O-L-O-G-I-S-T.