Baby Gina has been playing with four alphabet blocks from her sizeable collection. Each of the four blocks have a single letter of the alphabet on each of its six sides. By arranging the blocks in various ways, Gina can spell all of the words listed below. Determine how the letters are arranged on each block.
APED
COWL
DAUB
FUND
HARK
JOKE
MULE
OXEN
POSY
RIOT
VISE
WING