Aphabetic letter pairs in words

BZ - buzz

CA: cornucopia

CB: cobweb

CC = chaotic

CD = caterwauled

CE = cheese, or Christmastide

CF: Cuff

CG- Cling

CL = clinch

I think you meant CH.

CI: Chianti

CJ = Coj

The mixture of Coca-Cola and orange juice (co-jay).

CK - chalk

CL - cool

CM - calm

CN = concatenation

CO = contralto

CP - Clasp

CQ = coq

as in “coq au vin”

CR = character

CS: cactus