Hello everyone, nice to welcome you on our site, this page even has Level 1 answers. I enjoy it =D
Level 1 - AEBT
The answer to this puzzle is:
Words: BATE, ABET, ETA, ATE, EAT, TAB, TEA
Bonus words:
BATE, ABET, ETA, ATE, EAT, TAB, TEA