ll
----------------
l
----------------
he(ll)o eiffelians
----------------
ff
----------------
hello ei[ff]elians
----------------
hel-lo eif-felians
----------------
this
is
a
tab
separated
line
with
an
empty

column
----------------
Erdbr
----------------
Erdbrügger
----------------
Erdbr
----------------
E
----------------
E
----------------
Erdbrügger
----------------