How do I go about solving this? (C)

Books My library> COP 3223: Introduction to Programming with C home> 2.14: Characters ezyBooks catalog @ Help/FAQ CHALLENGE AVI2.14.2: Outputting all combinations. Output all combinations of character variables a, b, and c. If a b y, and : 'z, then the output is: xyz xzy yxz yzx zxy zyx Your code will be tested in three different programs, with a b c assigned with y' z then with # % then with 1 . 2 3 scanf(" %c ", &a); scanfC" %c", &b); scanf(" %c ", &c); 1 test 9 10 12 13 -"X"; // assignx 14 b 'y'; // assign y 15 c 'z'; I/ assignz 16 printf( % % % %cic c %cXcXc %ckc c Xc c c Xc% c n", b,c,a c b b,a c b c a c a,b,c,b,a); 17 18 19 a '#' All tests 21 22 c,-'%" ; printf("%cXcXc XcXcXc %cXcXc %cXcXc %dcXc %dcXc " , a, b, c , a , c , b , b , a , c , b , c , a , c , a,b,c,b,a); 24 a='1'; Run Testing with 'x, y,'z