SELECT		AM.AM_A, AM.AM_M

FROM		AM
LEFT JOIN	AR ON AR.AR_A=AM.AM_A
LEFT JOIN	SA ON SA.SA_A=AM.AM_A
LEFT JOIN	MR ON MR.MR_M=AM.AM_M
LEFT JOIN	SM ON SM.SM_M=AM.AM_M
#LEFT JOIN	SR ON SR.SR_M=AM.AM_M

WHERE		AR.AR_A IS NULL
AND		SA.SA_A IS NULL
AND		MR.MR_M IS NULL
AND		SM.SM_M IS NULL
#AND		SR.SR_M IS NULL