Noun gramma (letter, writing) in the New Testament

(Translation from NRSV with a few modifications for a more literal meaning)

Luke

16: 6He answered, 'A hundred jugs of olive oil.' He said to him, 'Take your letter (gramma), sit down quickly, and make it fifty.'
16: 7Then he asked another, 'And how much do you owe?' He replied, 'A hundred containers of wheat.' He said to him, 'Take your letter (gramma) and make it eighty.'

John

5: 47But if you do not believe in his writings (gramma), how will you believe what I say?"
7: 15The Jews were astonished at it, saying, "How does this man know so many writings (gramma), when he has never been taught?"

Acts

26: 24While he was making this defense, Festus exclaimed, "You are out of your mind, Paul! Too much [knowledge] of writings (gramma) is driving you insane!"
28: 21They replied, "We have received no letters (gramma) from Judea about you, and none of the brothers coming here has reported or spoken anything evil about you.

2 Corinthians

3: 6who has made us competent to be ministers of a new covenant, not of letter (gramma) but of spirit; for the letter (gramma) kills, but the Spirit gives life.
3: 7Now if the ministry of death, chiseled in letters (gramma) on stone tablets, came in glory so that the people of Israel could not gaze at Moses' face because of the glory of his face, a glory now set aside,

Galatians

6: 11See what large letters (gramma) I make when I am writing in my own hand!

Romans

2: 27Then those who are physically uncircumcised but keep the law will condemn you that have the letter (gramma) and circumcision but break the law.
2: 29Rather, a person is a Jew who is one inwardly, and real circumcision is a matter of the heart - it is spirit, not in letter (gramma). Such a person receives praise not from others but from God.
7: 6But now we are discharged from the law, dead to that which held us captive, so that we are slaves not under the old letter (gramma) but in the new life of the Spirit.

2 Timothy

3: 15and how from childhood you have known the sacred writings (gramma) that are able to instruct you for salvation through faith in Christ Jesus.