c " suffice.
s " was.
x " Xerxes.

2Z.

s " treasure.
z " azure.
si " fusion.
zi " glazier.

NG.

n " conch.

SH.

ce " ocean.
ci " social.
ch " chaise.
si " pension.
s " sure.
ss " issue.
ti " notion.

CH.

ti " fustian.

B, D, G, H, L, M, N, P, and R, have no substitutes.