How do I enter an address with N,S, E,W in TomTom GPS?

I have the TomTom One 125 and I cannot figure out how to enter an address that contains a N, S, E or W in the house number (i.e 26W233). There is no way to change the keyboard back to letters so I can enter that and I am extremely frustrated.

Help!
Letters are not even an option, only numbers 1-0, fyi. I cannot not do spaces either.

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