5 letter words:
franc10,
fauna8,
furan8,
ruana5,
4 letter words:
curf9,
afar7,
faun7,
carn6,
curn6,
narc6,
aura4,
3 letter words:
arf6,
fan6,
far6,
fun6,
fur6,
arc5,
can5,
car5,
cru5,
cur5,
ana3,
ran3,
run3,
urn3,
2 letter words:
fa5,
aa2,
an2,
ar2,
na2,
nu2,
un2,