SELECT * FROM ( select '이' VAL from DUAL union all select '잉여' from DUAL union all select '시' from DUAL union all select '실어' from DUAL union all select '싫어' from DUAL union all select '싫다' from DUAL union all select '시어' from DUAL union all select '시니' from DUAL ) WHERE SUBSTR(VAL,1,1) > 'ㅅ' AND SUBSTR(VAL,1,1) <= '실'
이런식은 해봤는데..