Predictive text input is like this:
The word H-E-L-L-O:
Type 4-3-5-5-6 into the key pad and you'll get:
I
He
Gel
Hell
Hello
Press the key with the corresponding letter only ONCE, and the in-built dictionary predicts what the mostly likely word will be with the sequence of keys.
Great
feature of my
Nokia 3210.