A bubble sort could be used to sort a list of planet names into alphabetical (ascending) order.

Figure 1 shows the pseudocode algorithm for this bubble sort.

Figure 1

1  SET planets TO ["Venus", "Mars", "Earth", "Saturn", "Jupiter"]
2  SET temp TO ""
3  SET swapped TO True
4  SET size TO LENGTH(planets)
5
6  WHILE (swapped = True) DO
7      SET swapped TO False
8      FOR i FROM 0 TO size - 2 DO
9          IF planets[i] > planets[i + 1] THEN
10             SET temp TO planets[i]
11             SET planets[i] TO planets[i + 1]
12             SET planets[i + 1] TO planets[i]
13             SET swapped TO True
14         END IF
15     END FOR
16 END WHILE

There is a logic error in the swap process between line 9 and line 14.