Hello, I'm new to this forum but I just had to register just to get these crazy theories out there! :D

So in the Baskerville episode, we see Watson decipher a morse code that spells out UMQRA. Later it turns out that it was completely insignificant (in a hilarious way I must add!), but the whole thing has just been nagging me after seeing the season 2 finale. Could it really be just meaningless?

The following theories are pretty wild, but give them a chance...

So the morse spells out UMQRA. A meaningless letter combination. But what if the person signalling this code was repeating the code in a cycle, and John Watson just got the letters in a wrong order?

Here are all the possible combinations, if the letters U, M, Q, R, and A are repeated in a cycle:
UMQRA
MQRAU
QRAUM
RAUMQ
AUMQR

Now, I did some research. The only letter combinations that make any sense would be QRAUM and RAUMQ: a quick Wikipedia search lead me to this page on Wikipedia, about a mathematical theory of complete metric space, in German. Whether the mathematical theory itself is significant, I will address later.

Now, "raum" in German means "space", "area", "room". But what about Q? I'm not an expert in the German language (I can say lederhosen and that's pretty much it) but the Source Q theory of the Bible came to mind - "source" or "spring" in German is "quelle". (Also means "well".)

I came up with two wild theories. SPOILERS AHEAD IF YOU HAVEN'T SEEN THE SECOND SEASON OR READ THE ORIGINAL STORIES

So let's say "raum" was meant to mean "room" and Q, standing for "quelle", means "source". Could this be a signal to someone, maybe Sherlock himself, that the "key to open all doors", the absolute source of all knowledge and wealth, can be found in Sherlock's room? The hitmen in the Reichenbach episode we know about were Russian and Albanian, but could there have been a German one? Did Moriarty want to give Sherlock a clue about what is about to come?

The second theory, which kind of melts my heart.

Let's say "raum" means "area" or "place", and "quelle" means "fountain" or "well". Let's assume for a moment that Sherlock knew about the events of the Reichenbach fall at this point already. Let's assume that Sherlock was behind the morse code, and WANTED John to see it (remember, he asks about it later in the episode while apologizing to John).

What would be the meaning of this?

In the canon, Sherlock visited several places during his faked death hiatus: Florence, Lhasa, Mecca, Khalifa, and Montpellier. I started wondering if there are any significant wells or fountains in these places.

Florence, The Fountain of Neptune.

Footage of the musical fountain in Lhasa, Tibet. (look it up on google, I can't link stuff since this is my first post.)

A well located in the holiest place in Islam, the Zamzam well in Mecca (see above).

The Burj Khalifa fountain. This is pretty dodgy one though since it's located in Dubai.

And finally, in Montpellier, France, the Place de la Comédie with the Three Graces Fountain.

Was Sherlock trying to signal out to John to keep in mind the Places with Fountains or Wells, to let him know, on some level, where he would be going to after the events of the Reichenbach Fall? Remember, he says in the season 2 finale: "You cannot kill an idea once it's planted in your head". He was telling John to observe instead of just seeing. Was UMQRA, or, "raum Q", an idea he wanted to plant into John's head, to let him know that he is alright? "I will be where the fountains are."

So what about the mathematical theory mentioned earier? Augustin-Louise Cauchy, the father of the Cauchy sequence mentioned in the article, spent some time in exile in Fribourg, Switzerland. This is parallel to the Sherlock Holmes stories in two ways: Sherlock had to spend time in "exile" after his faked death, and the Reichenbach Falls are located in Switzerland.

If you made it this far (without banging your head to the keyboard more than 5 times), I thank you. I'm still engulfed by #All The Reichenbach Feels, not thinking clearly, and seeing conspiracy theories everywhere. But I'd love to hear your opinions on these crazy theories of mine!