Need to add two rows so that they output one row in an sql query

USE MTA_TEST

SELECT DISTINCT
TSO.ASGNMT_DESCRIPTION AS ASSIGNMENT,
EMP.DISPLAY_EMPLOYEE AS EMPLOYEE,
EMP.LAST_NAME AS LASTNAME,
EMP.FIRST_NAME AS FIRSTNAME,
CONVERT(DATE,TSO.WORK_DT), 101 AS WORKDATE,
TSO.PAY_CODE AS PAY_CODE_DESCRIPTION,
TSO.LD7 AS DEPARTMENT,
TSO.LD3 AS POSITION,
TSO.HOURS,
TSO.PAY_CODE_SYSTEM1 AS PAYCODE


FROM EMPLOYEE EMP
LEFT JOIN TIME_SHEET_OUTPUT TSO ON EMP.EMPLOYEE = TSO.EMPLOYEE

WHERE TSO.PAY_CODE = 'REGULAR_CONTRACT' OR TSO.PAY_CODE = 'CHARGE_CONTRACT' OR TSO.PAY_CODE = 'CALL_BACK' OR TSO.PAY_CODE = 'GUARANTEED' OR TSO.PAY_CODE = 'MAKE_UP' OR TSO.PAY_CODE = 'ONCALL'OR TSO.PAY_CODE = 'OVERTIME_CONTRACT' OR TSO.PAY_CODE = 'ORIENTATION_CONTRACT' OR TSO.PAY_CODE = 'LC_CALL' OR TSO.PAY_CODE = 'HCP_TIME'
AND TSO.ASGNMT_DESCRIPTION = 'SCONTRACT'

ORDER BY EMP.DISPLAY_EMPLOYEE, WORKDATE

The results output 2 rows of information for...