de (Greek #1161)
but, and, etc.
KJV usage: also, and, but, moreover, now (often unexpressed in English).
Pronounce: deh
Origin: a primary particle (adversative or continuative)
ouai (Greek #3759)
"woe"
KJV usage: alas, woe.
Pronounce: oo-ah'-ee
Origin: a primary exclamation of grief