# [Thunno 2](https://github.com/Thunno/Thunno2), 6 [bytes](https://github.com/Thunno/Thunno2/blob/main/docs/codepage.md)

```
ıʠ€ạ;ạ
```

[Try it online!](https://Not-Thonnu.github.io/run#aGVhZGVyPSZjb2RlPSVDNCVCMSVDQSVBMCVFMiU4MiVBQyVFMSVCQSVBMSUzQiVFMSVCQSVBMSZmb290ZXI9JmlucHV0PSUyMkVTVEFURSUyMiUyQyUyMCUyMkRVRUxFRCUyMiZmbGFncz0=)

#### Explanation

```python
ıʠ€ạ;ạ # Implicit input 
ı ; # Map:
 ʠ # Powerset of the string
 € # For each one:
 ạ # Check if all equal
 ạ # Check if all equal
 # Implicit output
```