Here is a partial list that was once thrown my way not that any of actually support the doctrine:
John 6:37 All that the Father giveth me shall come to me; and him that cometh to me I will in no wise cast out.
John 6:40 And this is the will of him that sent me, that every one which seeth the Son, and believeth on him, may have everlasting life: and I will raise him up at the last day.
John 10:27-28 "My sheep hear My voice, and I know them, and they follow Me. (28) "And I give them eternal life, and they shall never perish; neither shall anyone snatch them out of My hand.
John 17:2 As thou hast given him power over all flesh, that he should give eternal life to as many as thou hast given him.
John 17:12 While I was with them in the world, I kept them in thy name: those that thou gavest me I have kept, and none of them is lost, but the son of perdition; that the scripture might be fulfilled.
Romans 8:38-39 For I am persuaded that neither death nor life, nor angels nor principalities nor powers, nor things present nor things to come, (39) nor height nor depth, nor any other created thing, shall be able to separate us from the love of God which is in Christ Jesus our Lord.
2 Corinthians 1:21-22
Now He who establishes us with you in Christ and has anointed us [is] God, (22) who also has sealed us and given us the Spirit in our hearts as a guarantee.
Ephesians 1:13-14
In Him you also trusted, after you heard the word of truth, the gospel of your salvation; in whom also, having believed, you were sealed with the Holy Spirit of promise, (14) who is the guarantee of our inheritance until the redemption of the purchased possession, to the praise of His glory.
Heb 3:14
For we have become partakers of Christ if we hold the beginning of our confidence steadfast to the end,
Heb 7:25 Wherefore he is able also to save them to the uttermost that come unto God by him, seeing he ever liveth to make intercession for them.
1 Peter 1:3-5 Blessed be the God and Father of our Lord Jesus Christ, who according to His abundant mercy has begotten us again to a living hope through the resurrection of Jesus Christ from the dead, (4) to an inheritance incorruptible and undefiled and that does not fade away, reserved in heaven for you, (5) who are kept by the power of God through faith for salvation ready to be revealed in the last time.
Titus 1:2 In hope of eternal life, which God, that cannot lie, promised before the world began;
Jer 32:40 And I will make an everlasting covenant with them, that I will not turn away from them, to do them good; but I will put my fear in their hearts, that they shall not depart from me.
Isa 54:10 For the mountains shall depart, and the hills be removed; but my kindness shall not depart from thee, neither shall the covenant of my peace be removed, saith the LORD that hath mercy on thee.
Matthew 18:12-14 "What do you think? If a man has a hundred sheep, and one of them goes astray, does he not leave the ninety-nine and go to the mountains to seek the one that is straying? (13) "And if he should find it, assuredly, I say to you, he rejoices more over that sheep than over the ninety-nine that did not go astray. (14) "Even so it is not the will of your Father who is in heaven that one of these little ones should perish.
John 5:24 Verily, verily, I say unto you, He that heareth my word, and believeth on him that sent me, hath everlasting life, and shall not come into condemnation; but is passed from death unto life.
Rom 8:1 [There is] therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh, but after the Spirit.
Romans 8:29-30 For whom He foreknew, He also predestined to be conformed to the image of His Son, that He might be the firstborn among many brethren. (30) Moreover whom He predestined, these He also called; whom He called, these He also justified; and whom He justified, these He also glorified.
1 Corinthians 1:7-9 so that you come short in no gift, eagerly waiting for the revelation of our Lord Jesus Christ, (8) who will also confirm you to the end, that you may be blameless in the day of our Lord Jesus Christ. (9) God is faithful, by whom you were called into the fellowship of His Son, Jesus Christ our Lord.
Colossians 3:3-4 For you died, and your life is hidden with Christ in God. (4) When Christ who is our life appears, then you also will appear with Him in glory.
1 Thessalonians 5:23-24 Now may the God of peace Himself sanctify you completely; and may your whole spirit, soul, and body be preserved blameless at the coming of our Lord Jesus Christ. (24) He who calls you is faithful, who also will do it.
2Tim 4:18 And the Lord shall deliver me from every evil work, and will preserve [me] unto his heavenly kingdom: to whom [be] glory for ever and ever. Amen.
Heb 10:14 For by one offering he hath perfected for ever them that are sanctified.
Heb 12:28 Wherefore we receiving a kingdom which cannot be moved, let us have grace, whereby we may serve God acceptably with reverence and godly fear:
1John 2:19 They went out from us, but they were not of us; for if they had been of us, they would [no doubt] have continued with us: but [they went out], that they might be made manifest that they were not all of us.
1John 2:25 And this is the promise that he hath promised us, [even] eternal life.
2 Tim 2:19 Nevertheless the foundation of God standeth sure, having this seal, The Lord knoweth them that are his. And, Let every one that nameth the name of Christ depart from iniquity.
Rom 11:29 Because God’s selection and his mercies may not be changed.
Psalms 55:22 Cast your burden on the LORD, And He shall sustain you; He shall never permit the righteous to be moved.
All of these passages are easily refuted in so far as OSAS is concerned but there they are.
