SLEEP
SLEPT
READ
READ
SPEND
SPENT
HEAR
HEARD
PUT
PUT
LEAVE
LEFT
FEEL
FELT
BRING
BROUGHT
GET
GOT
THINK
THOUGHT
WIN
WON
FIND
FOUND
MEET
MET
CUT
CUT
BUY
BOUGHT
HAVE
HAD
HIT
HIT
MAKE
MADE
COST
COST
CATCH
CAUGHT
BUILD
BUILT
LOSE
LOST
SAY
SAID
UNDERSTAND
UNDERSTOOD