5 letter words:
franc10,
furca10,
awarn8,
fauna8,
furan8,
ruana5,
4 letter words:
fawn10,
cauf9,
craw9,
curf9,
waac9,
afar7,
faan7,
faun7,
faur7,
frau7,
rawn7,
warn7,
waur7,
carn6,
cran6,
curn6,
narc6,
raca6,
arna4,
aura4,
rana4,
raun4,
3 letter words:
faw9,
caw8,
arf6,
auf6,
awa6,
awn6,
faa6,
fan6,
far6,
fra6,
fun6,
fur6,
naw6,
raw6,
wan6,
war6,
arc5,
caa5,
can5,
car5,
cru5,
cur5,
ruc5,
ana3,
aua3,
nur3,
ran3,
run3,
urn3,
2 letter words:
aw5,
fa5,
aa2,
an2,
ar2,
na2,
nu2,
un2,
ur2,