how to make groups of neopixel leds

Okay, is there a example? so i can see it, or can someone help me with these code?
When i have a working example with, example 1 letter wil be red what in a array is, and a word, than i can work with that to make it with more effect, to see and be trying i learn what it is, i have google'd to find some same code but can't find it. Sorry for my bad english

thanks allot