OMG!!! ... a glitch in the system?

I´ve been encountering a problem!
When I type certain words together they change into a period!

correlation
between
***turns into***
corr.tween

realization
seems
***turns into***
r.ems

E L A T I O N __ B E
E A L I Z A T I O N __ S E

If you type the above without the spaces and change the underscore into a space then it turns into this:

.

Can anyone throw me a fricken´ bone, here?

Namaste,
~Aeric