Word Trip - Switzerland - Level 725

Hello everyone, nice to welcome you on our site, this page even has Level 725 answers. I enjoy it =D =D

Level 725 - TESTIFY

The answer to this puzzle is:

F I T
I T S
S E T
S I T
T I E
Y E S
Y E T
F E S T
F I S T
S I F T
S I T E
T E S T
T I E S
T E S T Y
T E S T I F Y