```json
{
	"no": ["no"],
	"yes": ["no"]
}
```

Based on the feature description and the task, it seems that the feature "np_08" represents whether the patient has Complete LBBB (Left Bundle Branch Block) in the anamnesis. LBBB is a conduction abnormality in the heart that can be associated with various cardiac conditions, including chronic heart failure.

The dictionary above represents the possible values of feature "np_08" for the target classes "no" and "yes". In this case, it suggests that the patient does not have Complete LBBB in the anamnesis, as indicated by the value "no". Since the feature description does not provide any other possible values for "np_08", it is not necessary to include additional values in the dictionary.