If you are new to this tongues stuff, the precident in the Bible is that interpretation is difficult.
http://www.biblegateway.com/passage/?search=1+Corinthians+14&version=NIV
http://www.biblegateway.com/passage/?search=Daniel+5&version=NIV
In Daniel 5, you might read between the lines and conjecture they used a ouija-board or something taken from the temple.
"mean to tickle the president"
The precident is that different people will hear different things.
http://www.biblegateway.com/passage/?search=Acts+2&version=NIV
This has some guidelines but I haven't updated it recently:
http://www.losethos.com/doc/AENotes.html
Mysticism is like peering through fog or hearing a whisper. Ink Blots or cloud shapes might be similar.
God said He didn't like statistical weights on words. God said it was a covenant that I talk first.
This exercise shows there is noise and suggests the type of technique to get something out of it. If picking from the Bible, I often tear-apart proper names. As often as not, I totally take things out of context.
f a l f m g v g h q a n b u b q o e q r i i f k u w x x
i d p m g x a y d h c k b a j c c l p a k v w h e y z
p o b l l b c z p c e p e b z n q c k r d j j a z m k
i i p i d j d p t p r p r c x z d u m m k u p x w o h
r h d m p s u d f o l f r h u g x m v z a u d q x h o
u p w u w l n q f q s x c l x z z c s l f o u b f k l
o h u m t j f z q d y t m h g u w z t d q d r x r w d
j w o z w h e w y f s m u g u e r f q x n x e w j z t
d c n o j i b c a a g i e i s v u i t j j q x q x n a
w e f b w r q r y w u e c g a f w o p p p m d t x u u
p t q l y v b c w t x y x l f j l l s y p k q a h v r
j a h b h t c a y y g s b f b p h