WAKE
WOKEN
SIT
SAT
SWEEP
SWEPT
TELL
TOLD
SLEEP
SLEPT
WEAR
WORN
STAND
STOOD
STEAL
STOLEN
UNDERSTAND
UNDERSTOOD
TAKE
TAKEN
SPEAK
SPOKEN
THINK
THOUGHT
SWIM
SWUM
SAY
SAID
WRITE
WRITTEN
TEACH
TAUGHT
WIN
WON