First, you have misinterpreted the word .
You translate it as _somehow_ , but its meaning is _how_ or _in what way_.
The part is good, so the literal interpretation of is _It would be good if in what way I say._ So its meaning is _how I should say_.
Next, yes, is . The second point is that is an abbreviation of , whose meaning is _I wonder_ here.
So, translates to _I wonder how I should say._ In this case, however, _I wonder **what** I should say_ is actually closer to its nuance.