Ok............
After looking at it and writing the patterns down I think I have your answer..
AC is to VJ as RO is to
WH (I think)
H0P3 It H3LPS :)
"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}