Play it safe
build
built - built
report
reported - reported
copy
copied - copied
exploit
exploited - exploited
legalise
legalised - legalised
grow
grew - grown
Occur
Occurred - occurred
Write
Wrote - written
earn
earned - earned
regulate
regulated - regulated
take
took - taken
Strive 
Strived - strived
Strove - striven
Study 
Studied - studied
fund
funded - funded
forbid
forbade - forbidden
see
saw - seen
Panic
Panicked - panicked
Quit 
Quit - quit
catch
caught - caught
fight
fought - fought
teach
taught - taught
Broadcast
Broadcast - broadcast
Lie
Laid - laid
Lay - lain
Lied - lied
eradicate 
eradicated - eradicated
invest
invested - invested