The word θεριακλού (theriaklou) its a slang word. Its a term of endearment for a female. It derives from the word θηριο (thirio) meaning a large vicious animal, but it is used in a good way.
Agaph mou means MY LOVE in Greek language.
Agapi mou, or αγάπη μου means "my love" in Greek.
kaliteri fili mou = my best friend
khriso mou is a greek phrase that means "my dearest" or also "my love."
Ti einai psixi mou translates to: "What is my soul"
To kalo koritsi mou means: "My good girl".
"Pedhi mou" in Greek means "my child" or "my kid". It is a term of endearment used when referring to a beloved child.
'& me i missed you'
It's "mou lipses" (μού 'λειψες) = "I missed you"or mou lipis (μου λείπεις) = "I miss you"
it means "baby"
Not sure what you are getting at with the first part, but "sagapo moro mou" means "I love you my baby."
"Filia kardoula mou" is Greek for "kiss, my heart." It is a term of endearment used to express love and affection towards someone.