Easy
CALL
CALLED /D/
DIE
DIED /D/
IMPROVE
IMPROVED / d /
PROPAGATE
PROPAGATED /ID/
BREAK
BROKE
INVITE
INVITED /ID/
KISS
KISSED /T/
GUARANTEE
GUARANTEED /D/
ENHANCE
ENHANCED /T/
HAVE
HAD
START
STARTED /ID/
TRAVELLED
/D/
COLLAPSE
COLLAPSED /T/
EMBODY
EMBODIED /D/
GIVE
GAVE
VISIT
VISITED /ID/
WORRY
WORRIED /D/
CLIMB
CLIMBED /D/
DISGUISE
DISGUISED /D/
BUY
BOUGHT
JUMP
JUMPED /T/
PICK
PICKED /T/
FLUCTUATE
FLUCTUATED /ID/
AIM
AIMED /D/
LEAVE
LEFT