On grammatical class:

by
letteral for b.
cy
letteral for c.
dy
letteral for d.
fy
letteral for f.
gy
letteral for g.
jy
letteral for j.
ky
letteral for k.
ly
letteral for l.
my
letteral for m.
ny
letteral for n.
py
letteral for p.
ry
letteral for r.
sy
letteral for s.
ty
letteral for t.
vy
letteral for v.
xy
letteral for x.
y'y
letteral for '.
zy
letteral for z.