Add two letters
Abby, Aunt, Oats
Flabby, Flaunt, Floats
God/Flow
Dog/Wolf
Apes, Am, Ouch
Grapes, Gram, Grouch
Baker/Shams
Break/Smash
Ark, Easy, Ill
Quark, Queasy, Quill
Layer/Tale
Early/Late
Ale, Ramble, Roll
Scale, Scramble, Scroll
Tacos/Canoe Coast/Ocean
Coast/Ocean
Lace, Rent, Tent
Palace, Parent, Patent
Bairn/Earth
Brain/Heart