4 letter words:
zarf16,
zurf16,
farm9,
afar7,
faur7,
frau7,
arum6,
maar6,
mara6,
mura6,
aura4,
3 letter words:
fum8,
arf6,
auf6,
faa6,
far6,
fra6,
fur6,
ama5,
amu5,
arm5,
maa5,
mar5,
ram5,
rum5,
aua3,
2 letter words:
za11,
fa5,
am4,
ma4,
mu4,
um4,
aa2,
ar2,
ur2,