Select
the single edge selected and
extrude and merge the two
edges marked red.
Now
extrude the 3 edges marked
green and merge the one marked
red.
So
here's the mesh for far, and
its time for another mesh
update Base
Mesh 8.
Select
and extrude the two selected
edges scale them in like in
the picture, this is going
to be where the mouth is.
Select
the 3 marked edges and extrude.
Extrude
the marked edges.
Marked
green, extrude the edge's
again and marked red, merge
the edges.
Marked
green: extrude. Marked red:
merged the edge. Mesh update
Base
Mesh 9.
Where
its marked green extrude the
edge and I've deleted a point
to make a triangle, then where
its marked red select the
edges ready for the next extrude.
Extruded...
Marked
green the edges extruded again,
and time for another mesh
update Base
Head 10.