How many words can you think of that can have all five vowels as their second letter? For example,

PAT - PET/PIT/POT/PUT

There are at least eight others, excluding proper names and slang.

Possible answers:

BAG -    BEG/BIG/BOG/BUG

MASS - MESS/MISS/MOSS/MUSS
LAST - LEST/LIST/LOST/LUST
PACK - PECK/PICK/POCK/PUCK
BALL - BELL/BILL/BOLL/BULL
MATE - METE/MITE/MOTE/MUTE 
BLANDER - BLENDER/BLINDER/BLONDER/BLUNDER
SHACK - SHEIK, SHIRK, SHOCK, SHUCK