Oh, what a delightful little sequence we have here! If we look closely, we can see that the letters are moving backwards through the alphabet. So, the next letter after R would be the letter Q. Just like painting a happy little tree, sometimes it's all about following the pattern and enjoying the process.
C
why would the letter I be the next letter in the sequence: C A R R
A
Y
M or W or E, C has 0 lines, D has one line, L has two lines ...
W
V
S
c
i
CRC CBO and COL
y