i dont know. you may have to buy a professional teaching book for bongos.... http://www.umbongo.com/eco_detectives/ this site came up on google
http://rhythmweb.com/bongo/index.html but, you could look at some beginning doumbek/djembe or even conga sites and apply to the pitches your drums make. label the sounds (at least 4) with a short name: since I don't know tabla talk yet, i use ba- pa -ta -ka and chant out new rhythms. adrum teacher who facilitates drum circles uses nursery rhymes such as pease porridge for simple tow tone (one head drum) patterns: CAPS are the bass tone PEASE porr-idge HOT pease por-ridge COLD PEASE pr-ridge IN the pot nine days OLD
You don't really need specific instructions for bongos if you're just going to play around with them. Consider that each drum makes a few sounds (finger strokes in center of head and rim, full hand strokes in center (deadstroke) and rim, etc.) and just mix them up a bit. I wouldn't sweat trying to get specific "bongo instructions" unless you're going to play "authentic" afro-cuban or latin styles; if you just want to beat on them then follow Floyd's advice and play along with music you like... Good point about using representative words or nonsense vocables to "chant" new rhythms, I do that all the time! I've never found tabla syllables to be particularly helpful with any percussion instruments other than tabla though, since each syllable represents a specific sound or combination thereof; {dha-terekitetakaterekitedha-} could be translated rhythmically to another instrument, but not in terms of the sounds represented by the phrase. To prevent any confusion further down the road I think you're better off sticking with your own syllables for general rhythms, and save the tabla syllables for tabla. Just my two bits though...
