Hello everyone, nice to welcome you on our site, this page even has Level 3 answers. I enjoy it =D
Level 3 - LOVPARAP
The answer to this puzzle is:
Words: POPLAR, PAPAL, VOLAR, PAROL, PARVO, ARVAL, APPAL, PLOP, PALP, PARA, ARVO, ALAR, VARA, LOP, POP, PRO, APP, VAR, PAP, OVA, POL, OAR
Bonus words:
POPLAR, PAPAL, VOLAR, PAROL, PARVO, ARVAL, APPAL, PLOP, PALP, PARA, ARVO, ALAR, VARA, LOP, POP, PRO, APP, VAR, PAP, OVA, POL, OAR