Because I'm bored...

Here's a coupl'a brain teasers I found in a book that I have. Just so you guys can think. Please note any corporations people that all problems are respective of their own publishing companies or something like that.

Replace the blanks in the first blank with two letters, and then reverse the order of the letters in the second word to make a different word

i.e. mAchO mOchA

1. qui _ _ qui _ _
2. _ lo_ t _ lo _ t
3. bu _ _ e bu _ _ e

Now you don't have to submit your answers or anything for extra credit, just to get that noggin knocking in there.