_3324.java

packagecom.fishercoder.solutions.fourththousand;

importjava.util.ArrayList;
importjava.util.List;

publicclass_3324 {
publicstaticclassSolution1 {
publicList<String> stringSequence(Stringtarget) {
List<String> ans = newArrayList<>();
StringBuildersb = newStringBuilder();
for (charc : target.toCharArray()) {
charcandidate = 'a';
booleanfirstTime = true;
do {
if (firstTime) {
firstTime = false;
sb.append(candidate);
 } else {
sb.setLength(sb.length() - 1);
candidate = (char) (candidate + 1);
sb.append(candidate);
 }
ans.add(sb.toString());
 } while (c != candidate);
 }
returnans;
 }
 }
}