Swtyblz Encodes Review

Could you give me a hint or tell me what kind of cipher "swtyblz" uses?

Now if "swtyblz" encodes: give me a feature swtyblz encodes

If I assume that each letter is shifted by a certain number of places, I can try to decode it. Could you give me a hint or tell

To decode "swtyblz", let's try a common substitution cipher technique. swtyblz encodes