Hello everyone, nice to welcome you on our site, this page even has Level 13 answers. I enjoy it =D
Level 13 - AROUFVL
The answer to this puzzle is:
Words: FAVOUR, VALOUR, OVULAR, FLUOR, AFOUL, VOLAR, LOUR, FARL, FOAL, ARVO, ROLF, LOAF, FORA, FURL, FARO, FRO, VAR, FAR, OAR, LUV, OVA, OUR, OAF
Bonus words:
FAVOUR, VALOUR, OVULAR, FLUOR, AFOUL, VOLAR, LOUR, FARL, FOAL, ARVO, ROLF, LOAF, FORA, FURL, FARO, FRO, VAR, FAR, OAR, LUV, OVA, OUR, OAF