Word Trip - Switzerland - Level 720

Hello everyone, nice to welcome you on our site, this page even has Level 720 answers. I enjoy it =D =D

Level 720 - BIGGEST

The answer to this puzzle is:

B E G
B E T
B I G
B I T
E G G
G E T
G I G
I T S
S E T
S I T
T I E
B E S T
B I T E
G I S T
S I T E
T I E S
B I G G E S T