Come now, this is the easiest puzzle of them all, took me about three minutes.
OVAL=OPAL
POST=PAST
SKIN=SPIN
MALT=MELT
WHEN=WREN
SLAB=SWAB
MISS=MESS
FUND=FIND
APED=AGED
SPED=SHED
SWAY=STAY
Answer=PAPERWEIGHT
OVAL=OPAL
POST=PAST
SKIN=SPIN
MALT=MELT
WHEN=WREN
SLAB=SWAB
MISS=MESS
FUND=FIND
APED=AGED
SPED=SHED
SWAY=STAY
Answer=PAPERWEIGHT