That being the case, I don't know how you can regard it as reasonable to draw the sharp distinction that you're drawing between what's possible at one end of the line, and not at the other.
CAA-BHKA CAA-BHKB CAA-BHKC CAA-BHKD CAA-BHKE CAA-BHKF CAA-BHKG CAA-BHKH CAA-BHKI CAA-BHKJ CAA-BHKK CAA-BHKL CAA-BHKM CAA-BHKN CAA-BHKO CAA-BHKP CAA-BHKQ CAA-BHKR CAA-BHKS CAA-BHKT CAA-BHKU CAA-BHKV CAA-BHKW CAA-BHKX CAA-BHKY CAA-BHKZ CAA-BHK0 CAA-BHK1 CAA-BHK2 CAA-BHK3 CAA-BHK4 CAA-BHK5 CAA-BHK6 CAA-BHK7 CAA-BHK8 CAA-BHK9