1. חַמָּה - (hama) sun חֵמָה - (hema) anger, wrath, ire חֲמָתְךָ - your anger. ( the ה transforms to ת and ךָ means your) 2.תְיַסְּרֵנִי ת indicates future tence the root is יסר which means to torment, to cause pain ; to chastise, to punish to chasten, to discipline, instruct, admonish ני means me. ( in modern language אותי) everything together: chasten me, punish me (future)

see here: http://qbible.com/hebrew-old-testament/psalms/6.html