Here are the variables for this particular thing:
If she says:
- "something slippery"
She wants:
-Repel, -Super Repel, -Max Repel, -Antidote, -Paralyze Heal, -Burn Heal, -Pecha Berry, -Grepa Berry, -Belue Berry, -Awakening or -Fluffy Tail
Your Reward:
Protein
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If she says:
- "something roundish"
She wants:
-Energypowder, -Rare Candy, -Pearl, -Big Pearl, -Hard Stone, -Smoke Ball, -Revive, -Max Revive, -Shoal Shell, -Tiny Mushroom, -Aspear Berry, -Oran Berry, -Grepa Berry, -Magost Berry, -Watmel Berry or Poké Ball
Your Reward:
Calcium
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If she says:
- "something wham-ish"
She wants:
-Revival Herb, -Potion, -Fresh Water, -Soda Pop, -Lemonade, -Hard Stone, -Light Ball, -Lava Cookie, -Chesto Berry, -Nanab Berry, -Wepear Berry, Kelpsy Berry, Nomel Berry or Durin Berry
Your Reward:
Iron
------------------------------------------------------------------------------------------
If she says:
- "something shiny"
She wants:
-Heal Powder, -X Speed, -X Attack, -X Defend, -Blue Flute, -Yellow Flute, -Red Flute, -White Flute, -Black Flute, -Nugget, -Sun Stone, -Stardust, -Star Piece, -Pearl, -Big Pearl, -Twistedspoon, -Silverpowder, -Brightpowder, -Luxury Ball or Premier Ball.
Your Reward:
Zinc
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If she says:
- "something sticky"
She wants:
-Energy Root, -Full Restore, -Max Potion, -Dire Hit, -X Accuracy, -Guard Spec., -Watmel Berry, -Leftovers, -Tinymushroom or Rare Candy
Your Reward:
Carbos
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If she says:
- "something pointy"
She wants:
-Quick Claw, -Poison Barb, -Sharp Beak, -Dragon Fang, -Tamato Berry, -Rabuta Berry, -Spelon Berry, -Durin Berry, -Stardust or Star Piece
Your Reward:
HP Up
There, i hope that this may help out many others who have the same problems with this here situation. Glad i could be of assistance.
Edit: If this matters, This is the book i was using: Pokémon Emerald Version, The Official Guide From Nintendo Power; The Official Nintendo Player's Guide.