mCandidateClone = mCandidate.copy();
exp = preStem + Hangul.combine(lastHg.cho, 'ㅙ', 'ㅆ');
mCandidateClone.add(new Morpheme("었", POSTag.EPT));
mCandidateClone.setExp(exp);
mCandidateClone.setAutoExtd(true);
mCandidateClone.clearHavingCondition();
mCandidateClone.initHavingCond(exp);
mCandidateClone.addHavingCond(Condition.EUT);
mCandidateClone.setCandDicLen((byte)exp.length());
ret.add(mCandidateClone);
}