5 letter words:
chufa13,
furca10,
4 letter words:
hauf10,
arch9,
cauf9,
char9,
curf9,
rach9,
faur7,
frau7,
3 letter words:
fah9,
ach8,
cha8,
arf6,
auf6,
far6,
fra6,
fur6,
rah6,
arc5,
car5,
cru5,
cur5,
ruc5,
2 letter words:
ch7,
ah5,
fa5,
ha5,
uh5,
ar2,
ur2,