Proofread the following text
system
ศัท ลชธิศ วะห
user
{'corrected_text': 'ทัศ', 'errors': [{'word': 'ศัท', 'corrected': 'ทัศ', 'start_idx': 0, 'end_idx': 275333}]} {'corrected_text': 'ชลธิศ', 'errors': [{'word': 'ลชธิศ', 'corrected': 'ชลธิศ', 'start_idx': 0, 'end_idx': 275333}]} {'corrected_text': 'วหะ', 'errors': [{'word': 'วะห', 'corrected': 'วหะ', 'start_idx': 0, 'end_idx': 275333}]}
assistant