That's correct. And the reason why I don't do it.
The only "letter word" similar to texting I know is :LMA (short for the so-called 'Swabian greting', Goethe wrote it in 1780's; Mozart composed to pieces about it [KV No. 231 and KV No 382d].
Translation is .... bite me
... well not really. More like ... va te faire enculer!