1.Pay cheque
2.Pay by cheque.
3. Pay on credit.
4.Pay with credit.
5.Pay by credit.
6.Pay in credit.
7.Pay credit.
8. Pay on cash.
9.Pay with cash.
10.Pay by cash.
11.Pay in cash.
12.Pay cash.
Best regards
Quoc
PS: My answers are:
Correct:2,5,10,11,12. How about your ideas? Is there still other correct phrases?