How to spell TYYRH correctly?

The misspelling "tyyrh" could possibly be corrected to "tyre", the British English spelling of "tire", the rubber casing on a wheel. Another suggestion could be "thyroid", the gland located in the neck that produces hormones regulating metabolism and other bodily functions. If the misspelling is a name, possible suggestions could include "Tyler", "Tyrone" or "Tyrus."